Semax
Nicotinamide Adenine Dinucleotide — research use only.
Overview
Semax (Nicotinamide Adenine Dinucleotide) is supplied by Scientipeptides for laboratory research and development use only. Every batch is validated by reversed-phase HPLC to 99% HPLC purity and ships with a documented Certificate of Analysis. Not for human or veterinary use.
Specification
CAS #: 80714-61-0 · Formula: C37H51N9010S · Molecular Weight: 813.93 g/mol · Purity: 99% HPLC
Potential research application
RESEARCH USE ONLY – REVIEW STUDIES: Semax is a synthetic derivative of adrenocorticotrophic hormone. Research suggests that it may help improve immune function, protect neurons, and improve cardiovascular function. It may also be beneficial in pain control and blood clotting.
Certificate of Analysis
Peptides validated with documented Certificate of analysis® for all products. See all COAs.
Third-party tested for Purity
Backed by industry-leading research and best practices. All products are fully HPLC tested for purity.
Same day delivery
Orders placed before 2pm EST (Mon–Fri) or 3pm Saturday ship the same day, using USPS for fastest delivery.
Additional information
- CAS #
- 80714-61-0
- Formula
- C37H51N9010S
- Molecular Weight
- 813.93 g/mol
- Purity
- 99% HPLC
351 reviews for Semax
Semax came w/ clear reconsitution guidance and dissolved clean on first try.
Our Semax shipment arrived in insulated packaging with gel packs that still felt cold and the vials were stable inside. Reconstitution guidance was included and matched what we expected for bench handling. COA was present and the lot info was easy to cross check against our PO. We logged everything into inventory without any surprises on the paperwork side…
exactly as described.
Semax vials arrived with solid crimp and stopper seals that looked untouched. The clear itemized invoice made procurement straightforward and everything matched what we ordered.
Semax reconstituted clean w/ no cloudiness, reordering was quick/accurate and cold-chain packaging arrived still cold so we moved straight into prep.
Ran in-house HPLC against the stated purity on the COA and the numbers lined up cleanly.. no surprises on the chromatogram.
We ran this through our usual prep and the blanks stayed clean with no carryover into subsequent runs. Purity matched what we expected when we spot-checked on our bench HPLC. Labels on every vial were sharp, legible, and held up after a week in the cold room. Documentation was easy to cross-reference against our lot log. Exactly the kind of material we want for routine analytical work.
semax cake was intact, no clumping, and it went into solution without cloudiness. Blanks stayed clean with no contamination carried into runs and support found our lot COA fast when we asked!!
Semax, very good.
Semax vial crimp and stopper seal were solid.
Semax specs on the site matched what showed up in the vial and the desiccant pack was intact in every box. Restock timing on this SKU can run a little slow but the product itself has been solid every time we reorder.
Switched our Semax source here, reconstitution notes in the box and desiccant intact on every vial.
Semax COA, full sequence!!
We switched to Scientipeptides for Semax and the vial crimps and stopper seals have been solid on every lot so far. Nothing loose or compromised when it landed. Happy we made the change.
Storage and handling instructions were clear so we logged everything right away. Tracking updates were sparse in transit but the shipment still rec'd on time and the material looked fine on arrival!!
Reconstituted clean with no cloudiness and the solution stayed clear through multiple dilution steps. HPLC trace looked tight against the COA and bench runs were consistent across the week. Packaging was secure and cold-chain looked intact on arrival. Only nitpick is the invoice formatting was very basic but the material itself is exactly what we wanted for the lab!!
COA was in the box with the shipment and the lot number was easy to cross-check. Turnaround from order to delivery was faster than we planned for. Exactly what we needed to keep the project moving.
Semax COA lot number matched the vial label exactly which is the kind of traceability detail that keeps our audit folder clean!!
Plain outer packaging with no supplier branding on the label which keeps our shipments low profile at receiving. I emailed support about a lot number before opening and got a clear answer within a few hours. Reconstitution in bacteriostatic water went smoothly with no particulate and the solution stayed clear at our working concentration. Documentation in the box matched what was listed online so filing was straightforward. Exactly the kind of detail-oriented supplier we prefer for research peptides.
Our bulk Semax order came in well organized with every vial accounted for and no mix-ups on qty. Storage and handling instructions on the label were clear so temp control was straightforward from receipt to the bench.
Semax labels stayed legible w/ cold storage..
Semax came with clear reconstitution guidance in the package and the COA lot number matched the vial label exactly. Makes traceability and prep logging easy on our end.
Semax tamper seals were intact and restocks stay reliable, though the label print was slightly faint, but I'd reorder.
Semax has been consistent batch to batch across every reorder we have placed here.
Rec'd as expected.
switched our Semax sourcing here after inconsistent COAs elsewhere. Certificate of analysis came with the shipment and our bench assays have been steady lot to lot since.
Semax arrived with the desiccant intact and the vial looked fine, though checkout on the site was a little clunky and restock timing on this one can run slow so plan ahead if you need it…
Semax fill weight spot on fast ship.. exactly what we needed for the run.
COA lot number matched the vial label exactly which our QA team always checks first. Reconstitution guidance was included and easy to follow on the bench. Outer packaging was plain and unbranded, no unnecessary attention in transit. Material looked good under inspection and ran as expected in our setup. Would recomend to anyone sourcing for lab work!!
This lot has been a reliable reference standard while we develop our HPLC method and the peak identity lined up cleanly against our controls. Purity on the COA matched what we saw in house which was reassuring for validation paperwork. Batch notes were easy to file and receiving had no issues with the shipment. The reconstitution notes were pretty minimal so we leaned on our internal SOP for dilution steps. I would still order again for the consistency and documentation quality.
Perfect reference standard.
We moved our Semax sourcing here after inconsistent COA turnaround elsewhere. Support replied quickly, knew the product details, and pointed us to the right handling notes before we even asked. Glad we switched.
quick reorder purity matched our in-house HPLC
Net peptide vs gross mass was stated clearly and we rec'd the full stated qty w/ minimal loss in the vial.
Perfect, thanks!
Exactly as described.
Switched to Scientipeptides Semax and the insulated gel pack shipper arrived cold w/ COA included though tracking updates were sparse in transit and we still pulled a clean documented lot for the bench!!
Semax arrived with stability and shelf-life data included which made storage planning straightforward for our group. The vial crimp looked solid and reconstitution in bacteriostatic water gave a clear solution. Our bench assays have been consistent across the material we received. Support took about a day to reply on a documentation question which was slightly slower than ideal but they were helpful once they responded. Overall the product and paperwork have been reliable enough that we are keeping them on our approved vendor list.
Semax arrived in insulated packaging with gel packs that still felt cold when we opened the box. Labels and lot info were easy to cross-check against the COA before we stored it…
Blanks stayed clean with nothing unexpected carried into the runs. Padding was secure and nothing shifted in transit even with a longer route. Material handled predictably on the bench across repeats. Invoice formatting was very basic compared to what procurement prefers, though the numbers were correct. Still satisfied overall and would reorder.
the LC-MS identity confirmation lined up with the expected sequence on the first run. I have already sent the COA link to two other groups running peptide work. Documentation like that saves us time in the lab.
Semax w/ COA included tracking matched delivery..
We have had very few surprises sourcing peptides here. COAs arrive complete, cold-chain packaging is consistent, and reorders ship when they say they will. That overall reliability is why this is our default lab supplier now.
In-house HPLC on Semax matched the stated purity on the COA, endotoxin and sterility figures were documented on the sheet and we filed it before the run… excellent documentation!!
Semax reconstituted in bacteriostatic water with a clean dissolve and no cloudiness.
great Semax, rec'd fast.
It went into bacteriostatic water smoothly with a clear solution and no particulate hanging around through prep… one vial cap was a little stiff to break but everything else looked textbook and I'd grab this lot again!!
Reconstitution guidance in the package was clear enough that we didnt need to dig through the site for details though one vial cap was stiff to break and transit tracking updates were pretty sparse until the last mile. Material looked fine on arrival and we would order again for bench work.
Decent fill, sparse notes.
solid Semax as always, restocks just lag sometimes.
Fast Semax delivery, full vial qty, no loss.
I had a couple of documentation questions before we filed the PO and support got back to me the same afternoon with clear answers. That kind of responsiveness saves a lot of back-and-forth on our end. Really appreciated how straightforward the whole exchange was.
Semax bulk shipment had intact tamper-evident seals on every vial consistent batch codes across reorders and clean inner packing with no cracked glass.
We rec'd our Semax order last week and ran it alongside our usual controls. Blanks stayed clean with no contamination carried into the runs, which is what we need before we trust a new lot. Temp was stable w/ the cold pack and the qty matched the PO exactly. Reconstitution was straightforward and the peptide behaved consistently across repeats. Already planning to reorder for the next assay block.
Perfect, thanks!!
Semax: clear storage notes, cold pack held temp.
The Semax vial contained the full stated quantity with minimal lyophilised loss during handling.
Semax: clean chromatogram, intact lyophilised cake.
Perfect Semax, thanks!
Across three reorders the HPLC profile and MS identity have lined up cleanly with no drift in retention time or peak shape. Lot documentation has been complete each time and bench prep behaves the same from batch to batch.
Rec'd Semax with tamper seals fully intact and the fill looked spot on against the label qty.. Everything dissolved clean in our buffer and the vials handled well on the bench. Really happy with this order.
Semax batch docs are thorough and easy to file, support answered our documentation questions fast and actually knew the product specs… we keep coming back for that kind of consistency…
Thick glass vials, clean crimp seals.
Consistent quality across lots makes this our preferred vendor for reference materials. HPLC purity was above the stated threshold.
Very good, checkout clunky.
Helpful recon notes, extra padding though.
Solid value for our research budget.
Our in-house HPLC on the Semax lot lined up with the stated purity on the COA within expected variance. Reconstitution was clean and the vial labels had the batch details we need for the lab notebook.
The Semax from Scientipeptides has been a standout for our peptide prep work. It dissolves cleanly on reconstitution with no cloudiness or particulate hanging around, which keeps our bench workflow moving. Delivery was faster than we expected and the vials showed up well padded. We already queued a second order because everything has been that straightforward. Easily one of the better supplier switches we have made this year.
Semax from this order integrated cleanly into our QC workflow. We needed a specific lot COA for an audit and support sent the file same day without a chase. The invoice was itemized the way our purchasing system expects, which saved time on the PO match. Vials arrived cold and the seals looked untouched. We will keep this on our approved vendor list for peptide restocks.
Very good.
Consistent bench assays, durable labels.
Consistent performance in our bench assays across three separate runs with no drift in baseline or response.
We ran our own analytical check on the Semax and the purity held exactly where the COA said it would. Storage and handling instructions were clear enough that our team filed them straight into the SOP binder.
Semax showed up in high-quality glass vials with clean crimp seals and the COA lot number matched the label exactly which saved us a log headache and the bulk pricing made sense for the larger study we had running so we could stretch the grant without cutting corners.
I weighed each Semax vial on receipt and the fill was right in line with the stated mass on the label.. No obvious underfill and the lyophilised material looked uniform vial to vial. COA details matched what we saw on the bench and reconstitution went clean with no particulate. Small thing but accurate qty matters when you are scaling runs. Exactly the kind of consistency I want from a supplier!!
Desiccant intact, net peptide qty clear on label!!
Perfect Semax, thanks!
semax showed up w/ secure padding and nothing shifted in transit. our in-house purity check matched the COA numbers without any flags.
Order showed up with desiccant packs still sealed and the insulated box with gel packs had clearly maintained temperature in transit. Vial labels were sharp and easy to read even after sitting in the cold room. Everything looked well packed with no moisture exposure concerns on opening. For peptide material that kind of attention to shipping detail matters.
Semax COA stated net peptide content vs gross mass clearly plus endotoxin/sterility figures but tracking updates were sparse in transit so I was refreshing the portal more than I'd like, still satisfied w/ what arrived!!
Batch documentation was thorough and easy to file which made our QA reviewer happy. Lot numbers on the vials lined up with the COA without any hunting. Packagng was professional and the cold chain looked maintained on delivery. We will stick with this supplier for our standing peptide orders.
Clear dissolve, glad we switched.
we have reordered Semax several times now and each lot has looked and handled the same on the bench. Tracking updates were accurate in transit so receiving knew when to pull the cold shipment. COAs have been consistent and easy to attach to our internal records. Support answered a batch question without making us re-explain the project. It is one of those vendors we stop thinking about because the basics just work…
Semax came with reconstitution guidance that matched our SOP notes. Endotoxin and sterility figures were documented on the COA for our files. Very appreciative of the thorough paperwork.
Semax, perfect as always…
Semax PO went through clean, batch docs were thorough and easy to file, and turnaround was fast. A bit more outer packaging than the order really needed but everything arrived intact and I would order again.
Very good.
placed a multi-vial Semax order for the group and everything showed up labeled correctly with no mixed SKUs. Fulfillment was fast, cold packs were still cold, and the outer box had enough padding that nothing rattled around. Each vial had intact seals and the qty matched the PO line for line. No drama on receiving, which is all we really want when we are busy.
Semax vials are heavy glass, bulk qty pricing worked.
Semax from Scientipeptides has been a great addition to our peptide inventory. Customer support answered my batch question same day and actually knew the product specs without putting me on hold. The outer box was plain and unbranded which our receiving desk appreciates. The desiccant pack had shifted around a little inside the inner wrap but the vial itself was fine and the lyophilised material looked untouched. Overall very happy with the order and I would buy again without hesitation.
International shipping was smooth, full stated qty in the vial w/ minimal lyophilised loss and complete batch docs.
Seals intact, net peptide content labeled clearly.
batch-to-batch has been steady across three reorders now. price point fits a tight grant budget without cutting corners on documentation.
Site specs matched what landed on the bench and they actually stock peptides that are hard to find elsewhere.. turnaround was reasonable too. Already on our short list for the next round of orders.
intact lyoph cake rare peptide fast ship
Consistent results across our bench assays every run.
Switched from our previous vendor and performance in bench assays has been consistent lot to lot. Vial crimp and stopper seals were solid on arrival and handling stayed clean through reconstitution.
Ordered for a comparative study and Semax performed on par with a more expensive standard. Solid value for research budgets.
Verry good.
Order landed complete, nothing missing, and the storage and handling sheet was clear enough that our tech filed it same day, plus restocks on this hard-to-source peptide have stayed reliable every time we needed a refill which keeps our runs on schedule.
Vials arrived with the full stated quantity and minimal lyophilized loss which matters when you are scaling prep runs. International shipping cleared customs without drama and the cold packs were still doing their job. Padding kept everything locked in place so nothing shifted in transit. Documentation was in the box and easy to match to our PO. Straight into prep, no time wasted chasing corrections.
Semax support found our lot COA quickly, chromatogram was clean with no unexpected side peaks, and blanks stayed clean so we keep reordering from here.
Semax perfect, thanks.
Rec'd our Semax order w/ desiccant intact in the inner pouch and the lyophilised cake looked uniform on visual check. We logged the lot number against our PO before filing the COA. Invoicing was clear and itemized which made procurement painless for our requisition. Gel packs in the shipper still felt cold on arrival and nothing looked compromised in transit.
COA included, exactly as promised.
our in-house LC-MS on Semax lined up cleanly with the sequence on the COA.. the identity confirmation matched what we expected and reconstitution left a clear solution with no particulate.
Great Semax very happy thanks
Semax COA listed low residual TFA and solvent levels which is the kind of detail our QC group actually reads before we slot a peptide into a method validation run. Documentation matched the vial label and the material handled predictably in prep without any odd solvent smell or unexpected residue behavior.
Great product, stiff cap.
Semax came with clear itemized invoice and batch docs thorough enough to file same day no chasing.
Semax arrived on schedule and the tracking updates stayed accurate the whole way through transit. Packaging was clean and professional, and everything matched what we expected for bench use.
Switched suppliers and Semax LC-MS lined up with the sequence on the COA and it went into bacteriostatic water clean with no particulate hanging around after reconstitution.
Semax looks good.
Semax lot COA pulled fast when we asked, in-house purity check aligned w/ their report.
In-house HPLC on the Semax lot lined up with the stated purity on the COA and I rec'd quick, useful answers when I emailed about temp storage and batch docs. Checkout on the site was a little clunky but the material itself and paperwork were solid enough that I would order again without hesitation.
Had a minor shipping delay on the first box and support rerouted the replacement without us chasing it.. Replacement arrived cold and the vials were seated tight in the foam. Analytical check matched the COA and we were back on schedule by Friday. No drama, just handled.
Low residual TFA figures on the COA, site specs matched what arrived, and our institutional PO went through without back-and-forth.
Intact lyoph cake, solid reference standard.
We ran our own spot check on the Semax and purity held up against the COA numbers w/ no surprises. Sample prep and reconstitution were clean and the batch documentation lined up with the label. Exactly the kind of consistency we want from a supplier!!
Padding was secure and nothing shifted in transit on our latest order. Scientipeptides has been a reliable go-to for us on repeat peptide restocks.
We have been using this material as a reference standard while we tune our LC method and it has behaved predictably every time. The lyophilised presentation was clean and the tamper-evident seals were intact on every vial we opened. Documentation was easy to file and the vials arrived well padded with nothing shifting in the box. Support answered a labeling question quickly when procurement asked for clarification. For method development work this is exactly the kind of consistency we want!!
Glad we switched.
Semax has been an excellent reference standard while we tune our analytical method and the lot behaved predictably run to run. Documentation was thorough and I'm genuinely excited to keep this material on hand for validation work.
Semax, thank you!
Plain unbranded outer packaging made receiving straightforward and nothing about the shipment screamed what was inside which matters for how our dock handles inbound research material. We switched from a previous vendor and the whole experience felt more professional from label clarity to how the inner pack was organized.
We switched suppliers for Semax and the first shipment hit a minor carrier delay, but support got it straightened out without drama once they replied. Support took about a day to reply, which was slower than I hoped, yet the resolution was smooth and the vial plus COA looked perfect on receipt.
Semax HPLC looked clean no unexpected side peaks and we are glad we switched suppliers…
Semax batch documentation was thorough and easy to file w/ our internal lot tracking sheet. COA, stability notes, and label info all matched on rec'd material so nothing sat in the pending folder.
Tracking stayed accurate the whole way, everything arrived complete with nothing missing, and the pricing actually fits our tight research budget better than our old vendor…
net peptide content versus gross mass was spelled out clearly on the listing and the pricing fit our constrained research budget better than comparable vendors. we've reordered twice since and the value still holds up!!
Semax purity confirmed.
The Semax shipment included a full certificate of analysis and that made filing for QC easy before we even reconstituted. Lot details matched the label and the paperwork was straightforward to archive. Reconstitution went cleanly and the material behaved consistently in prep. Packaging was professional without unnecessary branding. We are reassured enough to keep ordering from here.
our in-house HPLC on Semax matched the stated purity on the COA. Molecular weight and sequence were listed clearly on the certificate so verification was simple.
Placed a multi-vial Semax order and support handled qty questions quickly, bulk packing was organized and nothing rattled around in the shipment…
Scientipeptides has been a dependable source for our peptide work and documentation has been consistent order after order. Ship times are predictable and when we had a labeling question they answered the same afternoon!!
Outer shipper was plain and unbranded, which our receiving desk appreciates for sensitive inbound material. Restocks on a compound that is usually a headache to source have been steady the last few reorder cycles, and lead times stayed predictable. Documentation bundled with each lot was easy to cross-reference against our internal tracking sheet. Vials arrived well padded with intact seals and no sign of temp abuse in transit. Will keep this on our approved vendor short list going forward.
Had a customs delay on international Semax shipping and support sorted the paperwork fast, vials still arrived cold and intact.
Placed a repeat order last month and it shipped the same week with the correct SKU and qty. No mix-ups on lot assignment and the cold pack was still frozen on delivery. Checkout was quick and the confirmation email had everything we needed for our inventory log. Exactly the kind of reorder flow a busy lab wants.
Semax COA listed molecular weight and sequence, in-house HPLC matched the stated purity on the sheet.
International shipping was handled smoothly and batch-to-batch consistency has held across two reorders with the same retention times and clean reconstitution every time!!
Glad we moved suppliers, reconstitutes clear with no haze, reorder was quick and accurate and the COA came in the box.
I have started pointing colleagues toward Scientipeptides for Semax after our last order. The COA lot number matched the vial label exactly which saves time during audit prep. Material looked clean under inspection and the paperwork was easy to drop into our binder. Shipping was straightforward and support answered a labeling question quickly. Hard to beat that combo for routine lab ordering.
Semax bulk qty came packed tight, every vial accounted for, and this supplier has been dead reliable for our lab runs.
Certificate of analysis was included with the shipment and matched the vial lot.
We have been running Semax in standard bench assays for a few weeks now and performance has been consistent lot to lot.. Reconstitution was clean with no particulate and the COA purity figures matched what we saw in-house. Packaging kept the material stable through transit and labels were easy to read at the bench. For research peptide work where repeatability matters this supplier has been a solid choice.
semax purity checked out, COA filed fast.
Great Semax, thanks!
Semax has been boring in the best way across our bench assays.. same clean peaks, same handling notes, same results w/ repeat runs. We keep restocking because the material behaves the same every time we pull a new lot. Packaging is consistent and the COA is always in the shipment. Nothing flashy, just dependable lab supply.
Semax COA listed MW w/ seq cleary, reassured.
Semax shipment had itemized invoice, net peptide vs gross mass spelled out, COA in the box, exactly what procurement wants!!
Semax arrived with endotoxin and sterility figures documented on the COA, and the fill weight matched the label on every vial we opened. Exactly the kind of detail we want before anything hits the bench.
The Semax COA listed low residual TFA and solvent levels, which our team tracks for prep work. Vials arrived with intact seals and the lyophilised material looked uniform. We reconstituted a vial for a control run and got a clear solution with no particulate. Labeling matched the paperwork and the batch details were easy to log. For peptide work where those solvent specs matter, this lot checked the boxes we care about…
The outer packaging arrived discreet and unbranded which our receiving desk prefers for inbound peptide orders. Inside, labels were clear and the cold-chain packing looked handled properly. I emailed a technical question about documentation before checkout and got a fast reply with the details we needed for our files. No drawn-out back-and-forth and the answers matched what landed on the COA. Straightforward from order placement to bench setup.
COA listed the molecular weight and full sequence which is exactly what we need for our reference files and everything lined up clean on receipt. Solid supplier for peptide work!!
Broad catalogue for our research program and in-house HPLC matched the stated purity on the COA on first pass.
Semax arrived with clear storage and handling instructions that matched the COA and made bench logging easy.
Semax has been consistent batch to batch across three reorders and support helped us pull a specific lot COA without a chase.. tracking updates matched what we saw in transit and landed on time!!
Procurement flagged how clean the invoice was on this order. Line items were itemized clearly with lot references and unit costs broken out the way our system expects. Made reconciliation painless compared to some vendors we have dealt with.
Good, slow support.
Tamper-evident seals were intact on arival.
Semax shipping issue resolved smoothly!
Semax arrived fast and the bulk pricing worked well for our larger study without stretching procurement. I've already pointed a couple colleagues here for their peptide orders.
Very good.. thanks!
Semax padding secure nothing shifted in transit.
Crimp and seal solid.
Semax came with stability and shelf-life data which made long-term storage planning much easier for our lab. COA and lot labeling were aligned and the vial was packed tight so nothing moved in the box. I have already pointed two colleagues here for their own peptide orders. For a compound we reorder regularly that documentation and handling detail is exactly what we want.
Semax order arrived complete every vial accounted for and nothing missing from the shipment.
Good, restocks run slow.
Semax vials arrived with tamper-evident seals fully intact and the stoppers looked untouched through handling. Checkout on the site was a little clunky but the material itself met every spec and I would order again.
Clear handling info, bit overpackaged.
Storage and handling instructions were printed clearly and easy to file with our SOPs. No guesswork on temp or light exposure, which we appreciate. Makes onboarding new techs on the material a lot simpler.
Solid Semax vials.
Strong value for the qty our lab can actually budget without cutting corners elsewhere.. reordering.
Semax lyophilised cake intact no clumping, LC-MS identity matched the stated sequence on the COA!!
We switched over for Semax after our old vendor stopped posting lot COAs online and support actually helped us track down a specific batch certificate within a day. Material has been consistent since the first vial and documentation is easier to file than what we had before. Bulk of our peptide orders go through them now…
Bulk pricing worked for our larger study and batch-to-batch consistency has held across three reorders.
Semax: low TFA on COA, our QC check matched.
We needed a specific lot COA for an internal audit and support helped us track it down without a runaround. The documentation matched what was in the shipment once we had the file. Transit tracking updates were sparse compared to what we are used to, so I checked the portal more than once. Still, everything arrived intact and the material matched spec. Would order again for routine bench work.
Glad we switched.
Semax has been a reliable lab supplier for us overall, and when one box showed up a day late they sorted it without a fight. Delivery took a little longer than the estimate on that order.. but everything arrived cold w/ intact seals and the qty was correct. COA was in the package and matched the vial labels. We would order again.
International shipping cleared smoothly and net peptide content vs gross mass was spelled out clearly on the paperwork…
stability and shelf-life data on the COA was helpful for our freezer logs, though the reconstitution notes on the insert were pretty minimal and we still reorder from here.
Rec'd w/ COA, clear storage/temp notes and discreet unbranded outer packaging.. shipment ran a little past the estimate but the docs and presentation were exactly what we wanted!!
Very good.
Desiccant was present and dry in each vial cap, which matters for how we store opened material short term. Stability and shelf-life notes on the insert gave us concrete guidance for the cold room rather than guessing. We logged the dates and have had no issues across two months of intermittent use. For a peptide we handle carefully, that level of detail is reassuring.
The COA for Semax listed residual TFA and solvent levels well within what we expect for lab prep. Low carryover made reconstitution straightforward and the numbers matched what was printed on the vial.
Emailed a couple technical documentation questions before placing a bulk order and got clear answers the same day. The multi vial shipment was packed neatly with consistent labeling across the set. Each unit had matching COA paperwork which simplified receiving on our end. We have already added them to our approved vendor list for peptide sourcing.
reordered Semax last week and the qty shipped matched the PO without any back and forth…
The Semax COA listed molecular weight and sequence clearly which made our intake checks easy. Reconstitution gave a clean dissolve with no cloudiness and the vial label matched the paperwork. We've used two lots now and handling has been consistant across both. Shipping was fast and the cold pack was still cold. This is the kind of supplier we keep bookmarked for repeat orders.
Semax vial had intact desiccant w/ solid seals, though tracking updates were sparse in transit and I'd still reorder.
Semax perfect, thanks!!
We keep a pretty wide research program running and the catalogue here covers most of what we reach for without hunting second sources. Fill weights on the last order were right on label and matched what we logged on the bench scale. Turnaround was reasonable and the cold pack was still cold when the box arrived. I have rec'd three orders now with the same experience and I do not expect that to change.
Sterility figures documented, lots consistent, restocks run slow though still satisfied.
Switched our Semax sourcing here for a larger study and the bulk pricing actually worked within our grant line item. Documentation was complete on arrival and the first reconstitution looked clean under the scope.
LC-MS identity confirmation lined up with the expected sequence on the accompanying COA.
our multi-vial Semax bulk order was packed cleanly, labeled right, and landed intact without any back-and-forth on qty or lot numbers!!
Semax restocks here have been reliable even when other suppliers are backordered on this compound. Storage and handling instructions on the insert were clear so our team knew exactly how to store it after receipt. Vials arrived labeled cleanly and the cold pack was still frozen which saved us time on intake. We have reordered twice now without any surprises on fill or documentation and that consistency matters when you are running tight project timelines. Definitely keeping Scientipeptides on our approved vendor list for this SKU.
Rec'd, perfect.
Semax, perfect.
Material reconstituted clean with no cloudiness or particulate on the first pass. Outer packaging was discreet and unbranded, which makes receiving simpler on our end. Seals and cold-pack looked fine and the vial label matched the paperwork in the box. The reconstitution notes were pretty minimal though, so we leaned on our internal SOP for diluent volume and handling. Still satisfied overall and would reorder when we burn through this lot.
Semax dissolved cleanly in bacteriostatic water with no particulate, though checkout on the site was a little clunky and I'd still reorder.
so glad we switched..
love it…!!
Switched to Scientipeptides for Semax after our last vendor couldnt provide decent stability notes for method dev. The shelf-life data they sent was actually useful and it has worked well as a reference standard w/ our LC setup.
Semax has performed consistantly in our bench assays run after run which is exactly what we needed for a longer study. The invoice was clear and itemized so procurement did not have to chase line items. COA and lot info matched the listing and our internal records. Reordering has been painless and we already have another batch on the way. Very reassured by the whole experience so far.
Plain box, perfect.
Semax has been consistent batch to batch across reorders.. exactly what we need for repeatable bench work.
Reorder was quick and accurate, bulk pricing fit our larger study and the plain unbranded outer box kept receiving simple.
dissolves clean in bac water support took about a day to reply but the COA was solid and we'd reorder…
Semax shelf-life data included, batch-to-batch consistency held across every reorder we've placed so far
Semax specs on the site matched what we got, support answered my COA question same day and the whole experience felt like a supplier that actually knows peptides.. already told two people in the lab.
For a lab on a tight research budget this supplier has been one of the better values we've found without cutting corners on documentation. Pricing has been fair compared to other domestic sources we've quoted and the COA quality hasn't slipped. Reorders are straightforward and we've been able to plan experiments around predictable lead times. Material arrives well packed and we've had no waste from damaged vials. When every dollar has to justify itself on a grant line item that reliability matters.
Semax vials are good thick glass and the caps seated cleanly.. I emailed a couple technical questions about lot traceability and got clear answers back the same day without any runaround which is rare enough that I have already pointed two colleagues here.
Semax included clear reconstitution guidance.
We have been ordering research peptides from Scientipeptides for several months now and the overall reliability has been excellent. Shipments arrive with intact cold-chain materials and the documentation is always complete enough to drop straight into our QC binder. Lot numbers on vials match the COA every time which cuts down on intake questions from the team. When we needed a restock confirmation they responded quickly without vague answers. For a supplier we depend on regularly that level of consistency is exactly what we need.
the fill weight on each vial tracked right with what was listed on the label which matters a lot for our prep work and we checked a few against the balance without surprises. Inner packaging was tidy and the material looked uniform when we opened the shipment. It handled cleanly on the bench once we got it into solution. Delivery took a little longer than the estimate so I had to shuffle our schedule a bit but everything arrived intact. Still happy with the lot overall and we will reorder when this runs low.
Semax documentation questions answered fast.
Semax showed up w/ clear reconstitution guidance in the box and everything looked exactly like the COA described.. absolutely thrilled with this order!!
Semax specs on the listing matched what we recieved though restock timing on this one can run slow. Delivery took a little longer than the estimate but the vial and COA were correct.. we'd order again when it's in stock…
Semax. Good.
Semax showed up fast with solid cold-chain packaging and the vial label matched our order without any back-and-forth. The invoice formatting was very basic which is a minor annoyance when reconciling POs but the turnaround was good enough that I'd order again.
We placed a bulk Semax order for a multi vial study and everything showed up labeled consistently with COA packets sorted by lot. Packing was organized so receiving could scan them in fast. Caps and crimps all looked good on spot check. Already told two other groups on our floor to use these guys for larger peptide pulls…
The certificate of analysis listed molecular weight and expected sequence clearly on the first page. That level of documentation saves us time when we are setting up new validation runs in the lab.
Verry good.
semax matched our in-house check on purity no surprises. Labels and COA lined up cleanly and we will keep this on our standing order list.
Good Semax lot exactly what we ordered every time
Great Semax thanks!
Restocks on hard-to-source compounds have been dependable when other vendors were out. Customer support was responsive and actually knowledgeable when we asked about lot documentation.
Semax arrived with legible durable labels that held up through bench handling without smearing. A minor shipping snag came up but support resolved it quickly with a corrected tracking link. HPLC on our end matched what we expected from the COA. The reconstitution notes on the insert were pretty minimal though and we leaned on our internal SOP still satisfied with the material and will reorder. Solid supplier overall…
Great Semax, thanks!
Wide catalog covers our whole program.
Reconstituted cleanly with no cloudiness and the solution stayed clear through prep. International shipping was handled smoothly and the package showed up intact. Really appreciate the attention to detail on the shipment.
Reordering Semax through Scientipeptides was quick and the qty matched our last order exactly. The certificate of analysis came in the shipment and all the lot details were there for our files. Cold-chain packaging showed up still cold with ice packs intact. Vials were labeled clearly and the lyophilised material looked uniform. This is exactly the kind of supplier reliability our lab depends on!!
Shelf-life data and net vs gross peptide mass were documented clearly restock on this sku can run slow but we are staying here.
I needed a specific lot COA for Semax and support helped me track it down without any runaround.. They pulled the right document quickly and it had everything we file for peptide identity and batch traceability. The vial labels matched the paperwork and reconstitution in our buffer went smoothly. Small detail maybe but that kind of responsiveness matters when you are running tight project timelines.
Insulated box w/ gel packs still cold on arrival, bulk tier made sense for our larger protocol, and having this compound plus related peptides in one catalogue keeps procurement simple.
Semax clean blanks, full fill, zero carryover.
Semax came in discreet unbranded outer packaging.
Semax has been a strong reference standard for method development endotoxin and sterility figures were documented and the vial crimp/stopper seals were tight.. very happy with this lot.
Exellent quality.
Semax reorder was quick and accurate, tracking updates stayed accurate in transit, storage and handling instructions were clear and we are already lining up the next batch…
spot on.
Semax has been a reliably solid choice for our lab and Scientipeptides is now our go-to for routine peptide orders.
Great product, basic invoice.
Semax reorder was quick and accurate.
Documentation questions got answered fast and the material looked good, though the desiccant pack shifted around a little inside the box during shipping.
Rec'd Semax w/ desiccant intact and the vial label matched our PO qty. Reconstitution notes were pretty minimal and the invoice formatting was very basic so procurement had to reformat it before approval. Material still looked fine on receipt and we'll reorder for the next bench pull.
the batch documentation was thorough and easy to file which saves our team a lot of time on inventory audits and I keep reordering from here for that reason alone.
Semax fits our constrained lab budget without cutting corners on paperwork, the COA had molecular weight and sequence right on the first page and when I had a batch question support answered same day with a straight answer which is rare for peptide vendors so we are staying put!!
Tracking updates were dead accurate w/ no gaps in transit
Glad we switched.
Semax has stayed consistent lot to lot, the insulated box w/ gel packs held temp on a warm week, and turnaround was faster than expected. The desiccant pack shifted a little inside the wrap but everything inside was fine.
Grate Semax very good.
Crimp and stopper seal were solid, our own purity check lined up with the COA, though the desiccant pack had shifted a little in transit but overall very satisfied and would reorder.
COA listed molecular weight and full sequence, cold-chain packaging arrived still cold, checkout on the site was a little clunky but I would happily recommend this supplier to colleagues.
Very good.
Semax arrived with clear reconstitution guidance in the paperwork and we followed it step by step without any guesswork on volumes, handling or storage.
Ran our in-house purity check against the supplier COA and the numbers agreed within expected tolerance. Bench assays on the latest lot behaved the same as prior orders with clean dissolution and stable peak response. Vials arrived sealed, cold-chain looked intact, and lot labeling was clear. No surprises in handling or documentation. Straightforward material for routine lab use.
Semax vials have been right on the stated fill mass every time we weighed them. Support took about a day to reply on a packaging question but the answer was thorough and we will definitely order again.
semax storage/handling notes were clear and the chromatogram came back clean w/ no odd side peaks. bench assays have been consistant lot to lot so far.
Semax showed up with the padding done right and nothing shifted during transit. The vial crimp and stopper seal both looked solid when we opened the box. Exactly the kind of careful packaging that makes bench work less stressful.
They included stability and shelf-life data with the shipment which made filing our SOPs straightforward and our in-house HPLC check matched the stated purity without any surprises. I've already pointed a couple of lab mates here since the documentation saves us time on every new lot.
We run a lot of blanks around peptide work and have not seen contamination carried into runs from this material. Batch after batch the handling has been clean and predictable for our assays…
Semax showed up in cold-chain packaging that was still chilled when we opened it at the bench. Ice packs were intact and the vials were cool to the touch. One desiccant pack had shifted inside the box during transit, nothing damaged but worth noting. Material itself looked fine and the COA matched the label. Would order again for the shipping alone.
Semax arrived w/ shelf-life data we could file and our in-house HPLC matched the stated purity on the COA line for line. Labels batch codes and desiccant packaging were all consistent with prior lots we rec'd from them.
Semax worked great as a reference standard.
Semax reconstituted cleanly using the guidance that came with the order, and our last two lots matched on HPLC. Tracking updates were sparse in transit, but the package arrived intact and we are satisfied enough to reorder.
Grate bulk Semax.
Always solid…
Semax was in stock when harder-to-source peptides were unavailable elsewhere and the reconstitution guidence included with the shipment saved us a step on prep.
Semax dissolved clean in bac water docs were thin but reordering.
Ordered Semax in bulk for a multi-site study and quality was uniform across the shipment. Coordinating the delivery was hassle-free.
padding secure, nothing shifted.
Semax vials look graet…
Semax shipped with desiccant intact, COA in the packet, and their team answered my documentation questions same afternoon without making me chase a ticket.
The glass vials feel solid with clean crimp lines and no chips out of the box. We are using the material as a reference standard for method development and the initial spectra look clean.
Bench assays have been consistent, order arrived complete with nothing missing, very happy with this supplier!!…
Cold-chain packaging still cold on arrival.
Our Semax shipment showed up with serious padding and nothing shifted inside the box during transit. Every vial had intact tamper seals and the labels were readable without guessing at lot numbers. We reconstituted one for a method check and got a clear solution right away. Cold packs were still cold and the outer packaging looked professional. Honestly this is the kind of uneventful delivery that makes lab ordering less stressful.
Rec'd Semax w/ the lyophilised cake fully intact and no clumping in the vial. Reconstitution was straightfoward and the label matched the COA lot number.
purity matched COA support took a day still reordering!!
semax beats our old supplier!!
Accurate fill.. perfect.
Solid order, checkout clunky though.
batch documentation was thorough and easy to file, turnaround on the order beat our usual vendor, and everything about the shipment felt like a supplier that actually understands lab procurement.. already queued the next reorder…
The analytical certificate matched our independent verification. This is now a trusted line item in our procurement for research reagents.
Semax arrived with the padding done right and nothing had shifted inside the box during transit. We ran it through our usual bench assays and the performance matched what we expect from prior lots. Vials looked clean, labels were readable, and handling in the lab was straightforward. Packaging felt secure enough that I didnt worry about damage on reorder. For routine peptide work this has been a reliable pick so far…
Semax, still cold.
Hard-to-source restocks have been reliable, a bent ice pack got swapped out fast, and storage/handling instructions were clear on the sheet.
Our Semax order arrived complete with every vial accounted for.
Semax arrived complete intl shipping smooth no issues!!
Semax PO went smooth, LC-MS matched.. exactly what we needed…
COA was thorough, easy to file.
Been reordering from here for months, blanks stay clean w/ no carryover into runs, gel packs kept temp solid in transit.. overall just a reliable lab supplier.
Semax vials showed solid crimp and stopper seals on arrival and everything looked clean going into our prep workflow. We run tight blanks on peptide work and have not seen contamination carried into runs from this lot. Reconstitution gave a clear solution and the material behaved consistently in our bench setup. Support took about a day to reply on a shipping question which was a small delay but they sorted it out. Still very happy with the product and will reorder.
Semax was listed on the site with accurate sequence and fill specs before we ordered. Insulated packaging with gel packs kept the shipment cool even through a warm week. The vial arrived with clean labeling and the COA matched the batch number. Reconstitution in the lab was clear with no particulate. Exactly the consistency we want on a peptide we reorder often!!
Good Semax, slow delivery.
The Semax listing on the site matched what showed up and the molecular weight plus sequence details were exactly what we needed for our documentation. I compared the vial label against the catalog page before filing and everything lined up without any discrepancies which saved us a step on intake.
Accurate fill, faint label print.
semax has been steady in our bench assays run after run. Support helped us track down a specific lot COA same day, which made procurement happy.
Semax fits our tight lab budget and bench assay performance has stayed consistent lot to lot…
Thank you, Semax.
Semax arrived with the lyophilised cake fully intact and no clumping anywhere in the vial. That kind of presentation makes reconstitution predictable and I have no hesitation recommending this to colleagues running similar bench protocols.
Semax showed up in a plain unbranded outer box which is exactly what we wanted for lab receiving.. Delivery took a little longer than the estimate but the insulated pack and gel packs still had plenty of chill when it landed. Reconstituted clean w/ bac water and our blank runs stayed clean with no contamination carried into the assay. COA was in the package and matched the vial lot. Already planning another order despite the shipping wait.
Desiccant intact, dissolved clean in bac water w/ no particulate, seals looked good on arrival.
Semax PO was easy, dissolves crystal clear!!
Great communication from the technical team when we asked for additional analytical data. They sent the full HPLC chromatogram promptly.
We reorder Semax from here regularly because the tamper-evident seals have been intact on every shipment we have rec'd. Labels stayed readable even after sitting in the cold room w/ temp swings for a few days.. The qty in each vial matched what we ordered and nothing looked loose in the box. Packaging was straightforward and the cold chain looked uncompromised when it showed up. For a peptide we keep on hand, that consistency is why we stay put.
We switched vendors for Semax and the solubility in bacteriostatic water was excellent, clear in seconds with no clumping. Labels and COA were straightforward and the cold-chain packaging looked cared for…
Excellent Semax, thanks!
We have run this material through several bench assays over the past two months and the readouts stayed consistent with prior lots. The certificate of analysis listed molecular weight and sequence clearly, which made inventory logging straightforward. One vial cap was a little stiff to break, and the shipment had more void fill than a small order really needed. Nothing arrived damaged and we would reorder when stock runs low. I have already pointed a couple of colleagues here for similar peptides.
Our Semax bulk order was handled well with every vial labeled consistently and nothing missing from the shipment.
Semax discreet packaging, fast delivery, solid.
Pulled the vial, added bac water, and it went clear right away with no haze or particulate. We rec'd it well packed and the lot paperwork matched what we expected on the bench.
PO ordering for Semax was straightforward and the COA listed molecular weight and sequence clearly. I have already pointed a couple colleagues here for peptide sourcing…
Rec'd Semax, all good.
Semax rec'd, perfect.
Bench assays have been repeatable lot to lot and the endotoxin and sterility figures were documented clearly on the COA. That level of detail makes it straightforward to justify material selection in our lab notebooks.
Finding less common research peptides without a long lead time is hit or miss, but this one landed in stock when we needed it. Documentation was complete enough that we could slot it into our existing analytical workflow without rework.
reconstitution in bac water went smooth with full dissolution and no floaters. they included shelf-life and storage notes which saved us digging through emails. Solid documentation overall.
semax labels held up in the freezer, COA showed low residual TFA, and our PO went through without extra hoops.
Packaging included desiccant and the cold pack was still cold on arrival. Reconstitution was straightforward and the assay data were clean.
Cold-chain pack still cold on arrival.
This is our third Semax reorder and support still answers technical questions quickly when we ask about lot docs. Product has been consistant lot to lot for our bench work.
Rec'd clean dissolve w/ bac water.
very good every time actually
Good, slow restock tho.
Endotoxin/sterility figures were documented on the COA, invoicing was clear and itemized for procurement, and third-party lab testing was available on request when we asked.
Semax, glad we switched…
Semax order complete, support found our lot COA quickly, blanks stayed clean in prep.
Bulk pricing worked for our larger study.
Semax restocks have been reliable when other sources dried up and the padding kept vials from shifting in transit. Tracking updates were sparse in transit but everything arived intact and we'll keep ordering.
Third order of Semax and the response in our functional assays has been consistent each time. Packaging is lab-appropriate.
Semax came with shelf-life/stability notes upfront, support tracked down the exact lot COA same day, and the vial matched our bench expectations on first pull.
Padding kept the vials locked in place through shipping and the lyophilised cake came in intact with no clumping or dust in the cap area which is exactly what we want before reconstitution.
Semax batches have matched across reorders, gel-pack ship stayed cold, stability data on file.. exactly what we needed.
Great Semax pricing.
We switched over after our old vendor kept fumbling cold-chain shipments. One order showed up warm and they replaced it quickly without a bunch of back and forth. Glad we moved when we did.
Semax gave us clean blanks with no contamination carried into runs and the COA reported low residual TFA levels that matched what we saw on our side…
Good value for a tight budget, lyophilised cake intact/no clumping and landed fast.
Insulated ship w/ gel packs held temp in transit and the unit pricing actually fits our tight research budget.
Semax rec'd, discreet pkg.
Switched suppliers for the discreet unbranded outer packaging and we are not going back.
Semax arrived in discreet unbranded outer packaging which we appreciate at lab receiving. Inner vials were labeled clearly and the seals looked untouched on inspection.
Semax labels were legible and durable even after sitting in the fridge w/ other reagents. We rec'd the shipment fast and everything was organized cleanly for lab storage.
We moved our Semax sourcing here for a larger study and the bulk pricing actually made sense for the qty we needed. Customer support answered our documentation questions same day and knew the COA details without passing us around. Cold-chain packaging held temp through delivery and the vials arrived labeled clearly. Compared to what we were paying before this felt like a straightforward upgrade and we have already placed a second PO…
Independent HPLC/MS analysis in our lab confirmed the reported purity. The certificate of analysis was included and matched the lot number on the vial.
Lyophilised powder was clean and white, and reconstituted without residue. Suitable for our downstream biochemical characterisation.
High-purity material, clearly labelled, with a legible COA. Our mass spec results were within a fraction of the reported mass.
We validated identity by LC-MS in-house and it matched the provided data. A dependable source for our screening work.
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Certificate of
Analysis (COA)
Peptides validated with documented Certificate of analysis® for all products. See all COAs.
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FAQs
What are Scientipeptides used for?
All Scientipeptides products are sold for research use only. They are not intended for human consumption, therapeutic, or diagnostic use. Our peptides are designed exclusively for controlled laboratory research, educational studies, or analytical testing. Every product label and supporting document clearly reflects this compliance standard.
Who is eligible to purchase peptides?
Scientipeptides products are available to qualified researchers, laboratories, and educational institutions. Purchasers must confirm the products will be used for research purposes only.
How should peptides be handled and stored?
Lyophilized peptides should be stored at -20°C and protected from light and moisture. Once reconstituted, peptides should be used promptly and stored according to the documentation included with each product.
Why do peptide vials appear nearly empty?
Lyophilized (freeze-dried) peptides often appear as a thin film or small pellet at the bottom of the vial. The milligram amount stated on the label is verified by HPLC and mass spectrometry regardless of visual volume.
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