
HCG
Human Chorionic Gonadotropin (10,000iu) — research use only.
Overview
HCG (Human Chorionic Gonadotropin (10,000iu)) 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 #: 9002-61-3 · Formula: C105H169N27032 · Molecular Weight: 36,700 g/mol · Purity: 99% HPLC
Potential research application
RESEARCH USE ONLY – REVIEW STUDIES: Human chorionic gonadotropin (hCG) is a chemical produced by the trophoblast tissue, which is usually present in the early embryo and will eventually become part of the placenta. Measuring hCG levels helps to identify normal, pathological and miscarried pregnancies. Measuring hCG is also beneficial for many cancers including choriocarcinoma and extrauterine malignancies.
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 #
- 9002-61-3
- Formula
- C105H169N27032
- Molecular Weight
- 36,700 g/mol
- Purity
- 99% HPLC
338 reviews for HCG
Perfect HCG, thanks!
HCG included shelf-life stability data!!
Great HCG, thanks!
HCG has been a solid reference standard while we develop our method and the discreet unbranded outer packaging keeps receiving simple. They sent more box and padding than this small order really needed which was a little annoying. Still satisfied and would reorder.
Checkout was clunky, still great HCG.
HCG was available when other catalogs were backordered and it shipped without us chasing anyone.
Same consistent results every reorder, thrilled
Bulk pricing worked grear.
Same great HCG.
Our in-house purity check lined up with the COA numbers and procurement loved the clear itemized invoice. Already recommended this source to another group in our department.
Fast turnaround.. really impressed.
Bulk pricing made sense for our larger study and the peptide has been steady lot to lot in our bench assays no drama on reorders either so this is staying on our approved list.
batch documentation was thorough and easy to file, and the reconstitution sheet saved us time on setup. HCG ran clean on HPLC with no unexpected side peaks in the chromatogram. COA lot matched the vial label and cold-chain packaging looked properly handled. Already recommended them to two other groups in our department…
HCG arrived with reconstitution guidance in the box and the cold-chain packaging was still cold when it reached our lab. Clear handling notes and solid documentation, exactly what we needed to prep the lot without delay.
We moved our HCG orders here after too many mix-ups with another supplier. Reordering took maybe two minutes and the qty matched what we actually selected. The second shipment landed with the same SKU and lot details we picked, no back-and-forth. Documentation came through clean for filing. Glad we made the switch.
Our HCG QC run gave a clean chromatogram with no unexpected side peaks. COA and lot details lined up with the label on the vial. Already pointed a colleague here…
HCG low residual TFA.. restocks run slow!!
HCG arrived w/ intact tamper-evident seals, clear storage/handling instructions on the label, and vials ready for the bench.
Shipment arrived on schedule. Vial labels were legible under normal bench lighting and stayed readable after a quick ethanol wipe. Lot numbers and storage notes did not smudge near the crimp. We logged everything into inventory without re-labeling. Outer carton was plain and professional. No friction on intake.
HCG storage/handling instructions were clear, our chromatogram showed no unexpected side peaks, and when a shipping hiccup came up support fixed it fast!!
Exactly as expected.
Padding kept everything locked down in transit, lyophilised cake looked intact with no clumping, and support helped us pull the exact lot COA for our records.
Much better HCG source.
Hard to find HCG at this price for a tight lab budget and Scientipeptides had it in stock tracking updates were a bit sparse in transit but the vials landed fine and I'd order again.
HCG documentation included endotoxin and sterility figures plus stability and shelf-life data which made filing our internal records easy. Vials arrived well sealed and the COA matched the labels. Really pleased with how complete the package was.
HCG fill accurate, fast ship.
Huge catalogue glad we switched suppliers
rec'd a multi-vial HCG order w/ full qty and their catalogue covers most peptides our program needs.
International shipping cleared customs without delays and the HCG vials arrived in proper glass with clean crimp seals. No chips, clouding, or stress marks on the containers.
The HCG from Scientipeptides arrived with net peptide content versus gross mass spelled out clearly on the documentation which saved us time in the lab. The COA lot number matched the vial label exactly so we could file everything without second guessing. Packaging was clean and the vials looked well handled. We have been using this material for routine assay setup and the paperwork has been consistant every time. Already planning our next reorder based on how straightfoward this was.
We checked fill after reconstitution and the amount matched what was stated with almost no material left behind in the vial. That consistency makes our prep steps predictable batch to batch. Really happy with how accurate the qty has been.
The COA lot number matched the vial label exactly, which saved us time during intake logging. Really appreciated that level of documentation care on something we file for every incoming lot.
HCG meets specification.
HCG came in discreet unbranded outer packaging with high-quality glass vials and every seal looked factory fresh on arrival.
perfect, thanks.
HCG third party lab data available very reassuring
HCG shipment came w/ a clear itemized invoice for procurement, the insulated box and gel packs held temp stable in transit, and every lable on the vials was legible and durable so I logged lot numbers same day without chasing faded ink or missing line items on the packing slip.
HCG showed a clean chromatogram with no unexpected side peaks when we ran it in-house. The discreet unbranded outer packaging was fine for our recieving desk. Support took about a day to reply on a label question and there was a bit more packaging than the order really needed. Still, the material itself was solid and we would reorder.
HCG vial contained the full stated quantity with minimal loss on transfer to our prep vessel.
COA listed molecular weight and full sequence so we could verify before opening anything. One less step on intake w/ our LIMS…
We keep HCG on hand for assay calibration and this lot was straightforward from receipt to storage. Storage and handling instructions on the label and insert were clear on temp and light exposure.. no guessing where it sits in the freezer rack. Vial seals looked solid and the paperwork matched. We have rec'd several lots now with the same presentation. Staying with Scientipeptides for this sku.
third-party lab testing was available on request which gave us extra confidence before filing the lot. The lyophilised cake in each vial was intact with no clumping or breakage in transit.
HCG vials included intact desiccant on arrival…
Exactly as described.
Great HCG.
Solid HCG, faint label.
PO for HCG went through cleanly, reconstituted clear with no cloudiness and labels matched the COA lot.
Excellent purity for the price point. Have recommended HCG to two collaborating laboratories for their assay development.
Our program pulls in peptides that are not always easy to source and Scientipeptides had several of the less common ones in stock when others did not. Documentation came through cleanly and everything looked right on receipt. Delivery ran a few days past the estimate which was a minor annoyance on a tight timeline. Still the material arrived in good shape and we are satisfied enough to order again.
Really appreciate that the reconstitution guidance was included and written in plain lab terms. It saved our team a few minutes of digging through old SOPs and made the first prep straightforward.
Batch docs were thorough and easy to file.. no chasing anyone for paperwork.
I've been pointing colleagues to Scientipeptides for HCG because the certificate of analysis showed up in the shipment, not buried in an email thread.. Lot number matched the vial, purity/HPLC looked right, and the vials arrived with intact seals. For a peptide we reorder regularly, that kind of documentation saves bench time. Happy to keep using them for this program…
HCG LC-MS identity lined up with the expected sequence and the COA lot number matched the vial label exactly.. clean trace no drama already lining up the next qty.
HCG vial desiccant intact.. COA had MW & sequence.
Tight crimp, solid stopper, clean glass vials.
Second round of HCG for the lab and reordering was quick w/ the same qty as last time. Bulk pricing still made sense for the study size we are running. Tracking updates were accurate the whole way and everything rec'd on schedule. Vials were labeled cleanly and the cold-chain packaging looked good. Will keep using them for peptide work!!
Clear invoicing COA lot matched the vial!!
HCG from Scientipeptides comes with molecular weight and sequence on the COA and every vial so far had an intact lyophilised cake with no clumping.
Support answered our technical documentation questions fast with clear references to the COA figures we asked about. Lot traceability was solid and the material matched what we expected from prior orders. The invoice formatting was very basic but it had everything finance needed to process payment. Overall we're satisfied and will keep this on our approved vendor list.
HCG perfect.. thanks.
Blank runs stayed clean with no contamination carried into later assays and the material handled predictably across replicate prep steps. That consistency saves time when you are running back-to-back plates in the lab.
HCG dissolved clean.. perfect…
Went into bacteriostatic water smoothly with full dissolution and a clear solution every time.
Bulk pricing worked well for our larger study qty and the desiccant pack was intact in every box. Shipment was well padded and everything arived on schedule!!
Needed a specific lot COA for our HCG shipment and support tracked it down same day. No runaround, exactly what I needed.
Very good faint label though
Switched to Scientipeptides HCG after a label/COA mess elsewhere, shipping got straightened out fast, labels are legible/durable, and net peptide vs gross mass is stated clearly on the vial.
COA had MW and sequence listed reconstitution notes included checkout was a little clunky but satisfied overall
Shippng issue fixed quick thanks!
Their QC paperwork is meticulous. Every vial we have received matched the certificate, which matters for our documentation.
The HCG order arrived in discreet unbranded outer packaging, which our receiving desk appreciated since the box does not advertise contents. Vials were secure inside and nothing shifted during transit. Reconstitution notes were pretty minimal for our preference, though labels were legible and the lot looked clean on inspection. Overall we are satisfied and will likely reorder when our current qty runs low.
The HCG shipment included desiccant that was intact and the vials arrived dry and well protected.
I've been pointing colleagues to this HCG since our in-house HPLC lined up right with the purity stated on the COA.
HCG from Scientipeptides has been reliable lot after lot for our group, and bulk multi-vial orders always ship complete. I have already recommended them to colleagues running similar protocols.
Storage and handling notes on the insert were clear and matched the product specs listed on the site. We rec'd everything at the right temp w/ no label mix-ups on the vials!!
Everything rec'd complete, nothing missing from the shipment.
HCG went into bacteriostatic water clean with no particulate and solubility was excellent across our prep.
We keep coming back to HCG from Scientipeptides because the value fits a constrained research budget without cutting corners on documentation. Desiccant was included and intact in every shipment we have received so far. Vials arrive labeled clearly and the COA is easy to match to the lot on intake. Packaging has been consistent run after run. Hard to beat for routine bench use at this price point.
We scaled up an ongoing study and the bulk pricing actually worked for our budget without a lot of back and forth. Order went through fast and everything on the packing list showed up. Paperwork was straightforward for our admin team. No missing items and no wasted time chasing corrections. Exactly what we needed for a larger qty run.
Perfect thanks!
They answered our documentation questions fast and handled the multi-vial HCG order without any mix-ups on lot numbers or qty.
Verry good HCG..
HCG lyophilised cake was intact with no clumping on arrival though restock timing on this sku can run a little slow but we are still happy with the material.
Our bench assays have shown consistent performance across three separate lots and the signal stays clean run to run which is exactly what we need for method validation work and when our admin team submitted an institutional PO the process was straightforward with no missing fields or confusing SKU codes so we've been sending colleagues here whenever they ask about peptide sourcing!!
Three reorders over six months and lot behavior has stayed consistent in our prep workflow. Fill weights match between deliveries and COA documentation aligns each time. Cold-chain packaging has held up on every shipment. Reordering through the portal is quick. No surprises on the bench so far.
When the shipment landed I pulled the COA first thing and the lot number matched the vial label exactly, character for character. That small detail matters when you are logging reagents into inventory. Everything else in the box matched the packing slip too. I have already forwarded the supplier name to a colleague running a parallel study.
Tracking updates stayed accurate in transit though one vial cap was a little stiff to break and I'd still reorder.
Batch docs thorough.. easy to file!!
Shelf-life data included, padding secure, nothing shifted.
HCG rec'd…
We reorder HCG from Scientipeptides on a regular cadence. The last box had every vial and the paperwork accounted for, nothing missing from the list. Exactly what we need for routine bench work.
Complete order, labels legible/durable, no gaps
Clean HCG very pleased.
Good HCG, slow delivery.
HCG chromatogram was clean no stray peaks and Scientipeptides keeps restocking when other vendors go dark, huge for our QC runs.
Switched our HCG source here last quarter. Our in-house analytical check matched the stated purity and bench assays have been consistent w/ prior lots.
HCG order arrived complete with every vial accounted for and nothing missing from the shipment.
Quality HCG vials.
Switched vendors for HCG and this lot reconstituted clean in bacteriostatic water w/ no clumping the invoice broke out every line item for procurement and cold-chain packaging arrived still cold… glad we moved.
HCG sterility/endotoxin figures plus shelf-life data on file, graet.
We switched our HCG source to Scientipeptides after inconsistent documentation elsewhere and haven't looked back. Institutional PO ordering was straightforward with clear line items and no back-and-forth. The whole process felt built for lab procurement rather than retail checkout.
HCG shipped in discreet unbranded outer packaging and support answered our lot question same day w/ useful detail.
Wonderful HCG, thank you.
Rec'd fast, great!!
reliable hcg restocks!!
Within specification.
HCG showed up on time and tracking matched what we saw online. Our in-house HPLC lined up with the stated purity on the COA.
Scientipeptides had the HCG we needed alongside peptides our old vendor never stocked and the whole order was painless..
HCG reorder was quick and accurate, plain unbranded outer box, and the site specs matched what hit the bench.
Fair price dissolves clean in bac water.. love it
Endotoxin and sterility figures were documented right on the COA and easy to reference. Support helped us track down a specific lot certificate without the usual runaround. Exactly the kind of detail we need in the lab!!
HCG went into bacteriostatic water cleanly with no particulate and dissolved without fuss. We also used it as a reference standard while developing a new method and peak behavior stayed predictable across runs.
HCG COA listed molecular weight and sequence clearly reconstitution guidance was in the box and tracking updates were sparse in transit but we'd reorder anyway.
Repeat HCG orders here, purity matched our in-house check and the outer box stays plain/unbranded w/ no supplier branding.
HCG int'l ship went smooth no issues.
Reordering our HCG lot was quick and accurate and the labels on every vial were legible durable through handling.. Really appreciate how smooth the repeat order process has been.
Glad Scientipeptides keeps catalog items like HCG available without the usual backorder runaround. Our vials showed up with the lyophilized cake intact and no clumping in the lot. Reconstitution was clean and handling on the bench was predictable from vial to vial. Shipping was quick and labeling was clear.. I already pointed a couple colleagues here for their next peptide order. Really pleased with the whole experience.
really pleased with how clearly the HCG storage and handling instructions were laid out on the insert. Temp range, light protection, and reconstitution notes were all spelled out without digging through the site. We have used vendors where that info was buried and this was refreshingly straightforward. Labels on the vial matched the paperwork too. Already lining up our next order.
Storage/handling notes are clear, assays run the same batch to batch, and the catalogue breadth keeps our whole program on one vendor.
Perfect, rec'd…
Perfect COA docs rec'd!!
HCG matched the product specs listed on the site and endotoxin plus sterility figures were documented on the COA. Material handled cleanly in our workflow. Support took about a day to reply on a paperwork question but they answered clearly and we'd order again.
Perfect.. thank you.
HCG assays consistent, reconst. guide included.. solid w/ prep.
We switched to Scientipeptides for HCG after inconsistent fills elsewhere and this shipment was better all around. Labels were legible and durable even after sitting in the fridge.. The vial had the full stated qty with minimal loss and the COA was included in the box. Reconstitution was straightforward and we rec'd everything we needed for our bench run.
the invoice for our HCG order broke out every line item clearly so procurement could approve it without back and forth. Lot numbers and quantities matched what shipped and nothing was vague or lumped together. That kind of paperwork saves our admin team real time. We will keep ordering from them for peptide reagents.
Reconstitution guidance was included and easy to follow for our prep workflow. The material has been suitable as a reference standard for method development, with consistent chromatography across replicate injections.
We placed a larger multi-vial order and it was handled cleanly from pick to pack. Each vial was accounted for, labels matched the packing slip, and nothing looked rushed.
We've reordered several times and the storage and handling instructions on each shipment have been clear enough that new students in the lab can prep material without extra back-and-forth. Temp guidance on the label matches what we keep in the freezer, which saves time.
Hard-to-find HCG in stock.. nice.
We picked up HCG for a larger bench study and the bulk pricing made the qty workable for our budget. The certificate of analysis came in the shipment and matched what we needed for our files. Really appreciate how straightforward the whole order was.
We are building out a multi-peptide workflow and having HCG plus several catalog items available from one supplier cuts sourcing friction a lot the paperwork lines up batch to batch and we spend less time chasing alternate vendors. Spec sheets have been consistent when we cross-check against inbound material. That breadth lets us scale bench work without reopening procurement every week.
We moved a larger HCG study over to Scientipeptides after pricing out bulk qty elsewhere. The bulk pricing worked well for our budget and the shipment arrived cold with matching documentation.
HCG arrived with the full stated quantity in the vial and minimal loss on the lyophilised cake.. our in-house check matched the purity on the COA and they've restocked this compound reliably when we needed another batch. Packaging was solid and labels were easy to read. Already pointed a couple colleagues here for hard-to-source material.
International shipping was smooth, customs paperwork was in order, COA included, cold-chain intact, all vials accounted for.
COA MW and sequence.. spot on!!
hcg has stayed consistent across two reorders and behaves the same in our prep steps, support took about a day to reply but were helpful once they did and I'd order again…
HCG labels stayed legible through handling and bench assays have been consistent, though delivery ran a bit past the estimate.
Our lab ordered HCG through an institutional PO and the process was straightforward from quote to delivery. It has worked well as a reference standard while we tune our method development workflow. Grateful for a supplier that keeps documentation tight.
HCG international shipping handled smoothly.
We ran our own check on the HCG and purity held up exactly as documented on the COA. Happy to recommend this to anyone setting up similar bench work!!
Solid HCG, rec'd fast.
We have reordered several times now and the COA always lists molecular weight and sequence clearly for our QA records. Tamper-evident seals have been intact on every vial we have opened. Cold-chain packaging has been consistant shipment to shipment and nothing has arrived compromised. Documentation makes internal logging simple. That level of detail is why we keep coming back. Already lined up the next restock.
We ran our usual verification pass on this HCG and the chromatogram came back clean with no unexpected side peaks. Peak shape and retention aligned with the COA documentation, which made filing the batch straightforward. Vials were sealed well and reconstitution went smoothly in bacteriostatic water. Appreciate material that behaves predictably when we are setting up runs. Packaging was professional and nothing looked compromised in transit. Scientipeptides earned a spot on our short list.
HCG grate value, gel packs still cold!!
COA listed low residual TFA levels which lined up with what we needed for prep. A shipping snag got resolved quickly when I emailed and the corrected tracking went out same day. Already rec'd the replacement w/ cold packs intact.
still cold on arrival, perfect!!
the HCG we rec'd shipped with reconstitution guidance that was clear enough to use straight at the bench without digging through emails. COA details matched the vial label and the crimp looked clean on inspection. Invoicing was itemized in a way procurement could approve w/ no extra questions. Temp on arrival looked stable and the order was complete. Will reorder.
HCG runs consistent in our bench assays.
Exactly as specified.
I keep coming back to HCG from Scientipeptides because the glass vial quality has stayed consistently high across every reorder.
Site specs for HCG matched what we rec'd and the reorder went through fast w/ no mixups. Exactly the kind of turnaround we need when a run is on the calendar…
Restocks always reliable.. excellent
we switched from another supplier after inconsistent paperwork and this HCG order came with third-party lab testing available on request which was a big upgrade for our QC folder. Their catalog also covers most of what our program orders so we are not bouncing between vendors anymore. Packaging and labeling were clean on arrival. Glad we moved over!!
We've ordered HCG from Scientipeptides multiple times now and their team answers technical documentation questions fast every time. Lot numbers always line up between COA and vial and reordering takes minutes on the portal. Batch consistency has held across our last three deliveries which keeps our assay prep predictable. When we had a question about storage guidance someone replied same day with clear specs. Hard to imagine switching suppliers at this point…
Every HCG vial arrived with tamper-evident seals intact and the crimp plus stopper felt solid with no looseness at the cap. Nice to open a box and not worry about compromised packaging.
Solid HCG, thanks!
Perfect HCG thanks.
HCG vials arrived with tamper seals intact.
We placed a multi-vial HCG order for an ongoing protocol and everything arrived organized with consistent labeling across lots. Packing was careful and each vial was accounted for, which made receiving straightforward for the team.
HCG arrived cold, gel packs still frozen.
switched our HCG to Scientipeptides and the itemized invoicing made procurement simple w/ a PO on a tight research budget. Price and value beat what we were paying before, though the invoice formatting was very basic, still happy with the overall experience.
Institutional PO was straightforward. Label print slightly faint, still solid HCG.
HCG reconstituted crystal clear, tamper seals intact, labels matched the COA and everything looked right from the box to the bench…
Ran our usual check and the chromatogram was clean with no unexpected side peaks, which is exactly what we want when we are comparing lots and building out a longer run of experiments…
full stated qty, minimal loss!!
Crimp and stopper were tight, net peptide vs gross mass spelled out on the label no guesswork on the fill.
Received the peptide and ran our in-house HPLC against the vendor COA the same week. The main peak retention and purity lined up closely with what was stated on the certificate, which is not always a given with new sources. We also checked batch documentation and lot numbering was consistent throughout the shipment. For a lab that validates incoming material before it enters inventory, that match gives us confidence to keep this on our approved vendor list.
HCG arrived w/ desiccant intact and cold-chain packaging still cold, restock timing on this one can run slow but we are satisfied w/ the shipment.
Ordered a few vials and the insulated packaging with gel packs held temp the whole trip even with a weekend in transit. Everything arrived organized and the cold chain looked intact when we logged it in. Restock timing on this one can run slow so plan ahead if you're on a tight schedule. Still happy with the material and we'll reorder when we're low.
Tracking updates stayed accurate through transit, net peptide content versus gross mass was stated clearly on the docs and LC-MS identity confirmation lined up with the expected sequence. Clean handoff to the bench with no follow-up needed.
Batch-to-batch consistency on reorders has been steady and the bulk pricing made sense for our larger run.
HCG lot COA found fast.. great ref standard.
Reorder was quick, site specs were accurate, and the pricing fits a tight research budget w/out cutting corners on documentation.
Great HCG, rec'd fast.
Smooth international HCG delivery…
HCG landed complete with every vial on the packing slip and the batch documentation was thorough enough to file in our binder in minutes, already pointed a couple colleagues here for the same sku.
Crimp and stopper seal look rock solid!!
This is our third reorder and batch-to-batch consistency has held up across every lot we have received. Reconstitution behavior matches what we saw on the first shipment and our internal verification checks line up each time. Packaging and cold-chain handling have been reliable on repeat orders as well. We have not had to adjust any prep steps because of lot variation. That kind of predictability saves real time in the lab. Plan to keep this on standing order.
HCG rec'd perfect…
Plain unbranded box, HCG perfect.
HCG net peptide content clearly stated on label
HCG plus a broad catalog for our program
Switched suppliers after cloudy reconstitutions elsewhere and this one goes clear immediately with zero haze, exactly what we need on the bench.
Support found the exact lot COA for our HCG in one email.
HCG gave us a clean chromatogram with no unexpected side peaks and Scientipeptides has been reliable about restocking this harder-to-source compound when we need another lot.
Discreet packaging. Perfect.
LC-MS identity matched sequence perfectly.
HCG perfect.. thanks
Reliable supplier, every time.
Our lab has gone through several HCG lots now and the glass vial quality has been consistently excellent. Every stopper seats cleanly and the crimps look uniform w/ no chips or weak seals. Labels are legible and the packaging keeps everything protected in transit. Really appreciate a supplier that pays attention to those small details.
The desiccant was intact on arrival and our bench assays have been consistent across two preps from this lot. Genuinely impressed with how reliable this material has been in our workflow.
HCG cold-chain pack still cold on arival.
hcg looks graet.
Net peptide content versus gross mass stated clearly on every COA and independent third-party lab testing was available when we asked.
fill weight matched spec on every vial and the repeat order shipped fast with the same lot we requested.
Tamper seals intact, full stated qty in the vial, gel packs held temp in transit. Tracking was light on updates… still satisfied and would reorder.
The HCG showed up in plain unbranded outer packaging with no lab logos visible, exactly what we wanted for receiving dock paperwork…
the cold-chain packaging on our HCG shipment arrived still cold with gel packs intact. Labels were crisp and the vials sat secure in the foam tray. We run this material in controlled bench work and having confidence in transit temp matters. Scientipeptides has been our go-to recommendation when colleagues ask where we source peptides. Documentation on the COA was easy to match to each vial.
Exactly as documented.
PO was easy, shelf-life data rec'd w/ HCG!!
HCG showed up with the COA in the shipment. Lot on the paper matched the vial. That is all I needed.
First thing we do is cross-check paperwork against the vials and the COA lot number matched the label exactly. Seals looked intact and the lyophilized material appeared uniform across the lot. Packaging was sensible and nothing was missing from the shipment. Traceability like that saves time in our filing system. This is the level of detail we want from a supplier.
HCG labels had clear storage and handling notes so the team knew where to put vials right away.. No guesswork on temp or light exposure.
Had a couple technical documentation questions on the HCG lot before we ran it and Scientipeptides support answered fast with the exact COA details we needed.
gel packs still cold on arrival nice
The HCG specs listed on the site matched what we rec'd in the vial, which made planning our prep easy. Restock timing on this one can run slow so I waited longer than I hoped for the next lot, and the label print was slightly faint when I went to log the batch. Still satisfied overall and would reorder when it is back in stock.
HCG rec'd fast w/ reconstitution guidance.. restock can lag but still solid.
We have been using this HCG in our lab prep workflow and the solubility in bacteriostatic water has been excellent every single time. Reconstitution clears quickly with no cloudiness or particulate left behind. The shipment arrived with secure padding and nothing shifted in transit, which I always check first with lyophilized material. Vials and labeling looked professional on arrival. Really appreciate how carefully it was packed. Will definitely order again from Scientipeptides.
Excellent HCG, thanks.
We switched our HCG sourcing to Scientipeptides after slow turnarounds elsewhere, and the difference in delivery speed has been noticeable from the first order. Vials landed well within the quoted window and everything was cold-packed properly. Glad we made the move.
HCG COA lot matched the vial label and the price worked for our tight research budget.
We ordered HCG for a stability comparison and the reconstitution guidance that came with it was actually useful, not the generic one-liner some vendors slap on, and it saved our techs time on the first prep. The vial looked clean, labels were readable, and everything matched what we expected from the listing. I have already pointed two grad students here for their own peptide orders because the whole experience felt organized from checkout to bench. This is the kind of supplier you want when you are juggling multiple projects and do not have room for guesswork.
Scientipeptides has been a reliable lab supplier for us on repeat HCG orders. Documentation, turnaround, and batch consistency have all been steady enough that we stopped shopping around.
very good, support took a day though.
Shipment arrived ahead of schedule. Batch COA and supporting docs were thorough and easy to file in our QA binder.
Excellent HCG, thanks!
Our HCG shipment showed up with the cold-chain packaging still cold and the gel packs were firm when we opened the box. Everything was labeled clearly and the vials looked untouched. Really appreciate the care on something temperature sensitive…
Support tracked down our lot COA fast!
Batch documentation was thorough and easy to file, international shipping cleared smoothly and the price fit our tight research budget even if tracking updates were pretty sparse in transit but the box still arrived on schedule and we're happy to use them again.
HCG vials arrived with desiccant packs still intact inside the secondary pouch. Small detail, but it shows someone thought about moisture during shipping. Exactly the kind of thing we notice.
Everything arrived with secure padding and nothing shifted in transit even with multiple vials in the box. The foam inserts kept each unit separated and upright. One vial cap was a little stiff to break but the seal underneath was fine. Tracking was straightforward and delivery landed on the expected date. Would order again for the packaging alone.
HCG rec'd w/ clear itemized invoice..
HCG COA listed endotoxin and sterility figures clearly which we log for every incoming lot and the vials arrived cold with intact seals, no issues on our end so far.
We picked up HCG as part of a broader peptide order and the catalogue breadth has been helpful for our research program. The COA also listed low residual TFA levels, which matters for our downstream prep steps.
Perfct order as usual.
HCG landed w/ gel packs still cold, tracking updates were accurate in transit, and the per-vial price works for our tight budget!!
HCG vial crimp and stopper seal were tight and intact on every unit we opened. LC-MS identity confirmation matched the expected sequence without any surprises.
HCG purity held up on our in-house check.
Reorder was fast and accurate, LC-MS identity matched the sequence, checkout on the site was a little clunky but we are satisfied overall.
HCG reorder was fast, purity checked out!!
HCG vials showed clear storage and handling instructions, labels legible/durable, lyophilised cake intact no clumping on every unit we opened… exactly what we want for bench prep!!
Placed an institutional PO for HCG and the process was straightforward from quote to fulfillment. The outer packaging was discreet and unbranded, which our receiving desk appreciated. Vials and COA arrived organized with nothing missing from the packing list. Tracking updates were sparse in transit so we had to check manually a couple times, but delivery landed on schedule. Material looked exactly as documented and we would reorder for the next study!!
HCG meets spec.
Very good.. label print faint…
Same steady results in our bench assays every time.
HCG order was complete, lyophilised cake intact with no clumping and all vials accounted for on arrival.
Order arrived with desiccant included and intact, which is what we expect on lyophilized material. Vials were seated securely in the foam inserts and labels looked clean. The desiccant pack had shifted around a little inside the outer wrap during transit but nothing was compromised. Cold-chain packaging looked solid on arrival. Would order again for the next bench batch.
HCG rec'd fast, qty correct.
HCG LC-MS identity lined up w/ the sequence on the COA so we could move straight into bench work. Rec'd on time and the vial prep was straightforward for the team.
Solid HCG lot.. exactly right.
Endotoxin and sterility numbers were right there on the documentation, which is exactly what I wanted to see before we filed it in the freezer. Label print was slightly faint on one vial, but the specs were still readable and I'm comfortable using this lot.
HPLC on the HCG lot showed a clean chromatogram with no unexpected side peaks relative to the COA. Retention time and peak symmetry lined up with reference material we keep on file.. Labeling made cross-checking straightforward before we logged the batch.
Grreat HCG thanks
Perfect.. exactly what we needed.
Switched HCG suppliers and these glass vials feel noticeably higher quality than what we had before. The COA lot number matched the vial label exactly, which makes our inventory logs much cleaner.
Certificate of analysis, mass spec, and HPLC all supplied. This level of documentation is exactly what we need for reproducible research.
We ran in-house HPLC on the HCG lot and the main peak purity matched the COA closely, which is exactly what we look for before approving inventory. Documentation was thorough and the vial presentation was clean throughout!!
hcg arrived complete & fast.. nothing missing
HCG landed fast, dissolved cleanly in bacteriostatic water, and reconstitution guidance was right in the box. Tracking updates were a little sparse in transit but the material itself is excellent…
HCG quality solid just took a little longer than the estimate to arrive…
Solid HCG thanks!!
HCG storage and handling instructions were clear and the bulk pricing worked for our larger study. Tracking updates were sparse in transit but the shipment arrived intact and the lot met our lab specs.
HCG great value w/ clean blanks.
Insulated packaging with gel packs held temperature through delivery and everything arrived cold.
I've been telling colleagues to grab HCG here since the COA rec'd w/ the box matched our lot and filed easily..
The HCG dissolved quickly in bacteriostatic water with no clumping or residue and it stayed clear through dilution and aliquoting for our entire plate setup.
Shipment came quickly and the desiccant was included and intact. The desiccant pack had shifted around a little inside the box but the vials were fine. Would reorder.
HCG seals intact, would recommend to colleagues
We validated identity by LC-MS in-house and it matched the provided data. A dependable source for our screening work.
Back for HCG again because the site specs match what shows up in the vial and the batch paperwork was thorough enough to drop straight into our files. Reconstitution notes on the insert were pretty minimal though, still happy with the order overall.
HCG fill weight per vial was right where we expected on the balance and it has been a dependable reference standard w/ consistent behavior across our method development runs.
we switched our HCG sourcing here after inconsistent docs elsewhere and it was the right call. Support answered our method dev questions quickly and this lot has been a solid reference standard on our bench. Already planning the next reorder.
HCG site specs matched what we needed as a reference standard for method dev and PO ordering was mostly straightforward, checkout felt a little clunky and delivery ran past the estimate by a few days, still planning to reorder.
HCG dissolved clean, lyoph cake intact!!
Padding was secure so nothing shifted in transit and the lot has performed consistently in our bench assays. Already rec'd a second order w/ the same results.
Switched suppliers for HCG and reordering here has been quick and accurate every time.
HCG vials showed solid crimp and stopper seals, storage and handling instructions were clear on the insert, and our blanks stayed clean with no contamination carried into runs. Exactly the kind of detail you want when you're setting up sensitive bench work.
Very good.
The shipment arrived complete with every vial and document accounted for. Insulated packaging with gel packs was still cold when we opened the box at the bench. Labels were clear and nothing looked disturbed in transit. Paperwork was organized and easy to file. Cold-chain handling looked solid from door to door.
Tracking was accurate w/ updates the whole way.. vial had the full stated qty with no noticeable loss.
solubility in bacteriostatic water was excellent on the first try w/ no particulate…
Great HCG, thanks!
Fast turnaround, cold pack still cold, and our in-house analytical check matched the stated purity on the COA.
HCG, excellent.
Great HCG and wide peptide catalog.
Turnaround was faster than expected and the lyophilised material looked intact with no clumping in the vial. Really appreciate the careful packing on something this sensitive.
Reconstitution went clean with no cloudiness or particulate after a brief spin. The COA listed endotoxin and sterility figures that matched what we expect for this material. Cold-chain packaging arrived still cold, gel packs intact and vials seated in foam. MS identity lined up with the label lot. Restock timing on this SKU can run slow, but what we received met spec and I'd order again.
The HCG order came through with clear itemized invoicing that made procurement sign-off painless.
HCG reconstitution notes included very helpfull
Packaging included desiccant and the cold pack was still cold on arrival. Reconstitution was straightforward and the assay data were clean.
Good value for a tight research budget and the insulated box w/ gel packs kept temp stable through delivery, which matters when you're stacking orders around assay weeks.
HCG showed up in insulated packaging with gel packs that still had chill when we opened the box. That level of cold-chain care matters for our peptide prep workflow and this delivery was handled properly from start to finish.
Solid crimp seals reliable restocks every time
hcg batches stay consistant on reorder
HCG has been a reliable source for us, chromatogram came back clean w/ no odd side peaks and padding kept everything locked in transit. Reconstitution notes were pretty minimal and checkout felt a little clunky, but we'd reorder.
Great switch rec'd fast.
Our multi-vial HCG order was packed and labeled cleanly, and the COA reported low residual TFA/solvent levels we could file with the lot. Support took about a day to reply on a batch question, but the material itself looked good and we'd reorder.
Excellent HCG, thanks.
Storage and handling instructions were printed clearly on the insert and matched what we keep in our peptide SOP binder. Temperature guidance was specific enough that our receiving team knew where to put it immediately. The outer box had no damage and internal padding kept vials upright. Small details like that matter when you are stocking multiple peptide lots at once.
HCG from Scientipeptides has been rock solid, fill looked accurate on the scale and the endotoxin/sterility docs were included, very happy!!
The HCG arrived with clear reconstitution guidance in the documentation, and our blank runs stayed clean with no contamination carried into the assay workflow. Purity on the COA matched what we saw at the bench, which is exactly what we need for repeatable lab work…
Bench assays have been consistent lot to lot and our multi-vial bulk reorder was picked accurately with no mix-ups.
HCG showed up with accurate tracking updates the whole way and the COA lot number matched the vial label exactly. That made intake logging straightforward on our end. The box had a bit more packaging material than the order really needed. Invoice formatting was very basic but readable. Still satisfied overall and we would reorder for the next run.
Had documentation questions before method dev and got fast answers; HCG has been a solid reference standard for our assay setup.
HCG came in high-quality glass vials and a minor shipping issue got resolved smoothly on our end. Reconstitution notes were pretty minimal but prep still went clean and we would order again.
Tracking stayed accurate the whole way in.. carrier updates matched what we saw on our end. Plain packaging, everything arrived as expected on our third order.
HCG low TFA on COA, sharp support… recon notes pretty minimal tho.
COA showed low residual TFA, docs were in the box, and delivery was faster than we expected for a cold-chain shipment…
Repeat HCG orders from Scientipeptides have been quick and accurate every time, endotoxin and sterility figures documented on the COA and lot numbers matching the vials without back-and-forth.
The analytical documentation was comprehensive and the peptide behaved predictably in solution. Reordering for the next phase of the project.
Reconstituted cleanly in bacteriostatic water w/ no particulate and the solution stayed clear through prep..
We switched from another supplier for HCG and glad we did. Institutional PO ordering was straightforward and storage and handling instructions on the insert were clear enough that our receiving team logged it without back-and-forth. Vials arrived well padded and the COA matched the batch number on the label. Reconstitution notes were specific which saved time in the lab. Already added them to our approved vendor list for the next grant cycle.
Pricing is fair for what we get and it matters when the grant runs tight. Documentation is complete and we have not had to chase missing lot info. Good value without cutting corners on packaging.
Really appreciate seeing low residual TFA called out clearly on the paperwork for our peptide work. We are running a broader program now and being able to pull HCG alongside other reagents from one catalogue saves a lot of admin time. Every order so far has matched the spec sheets we filed. Cold-chain packaging and temp monitoring were handled well on arrival too. Warm recommendation from our side.
HCG reorder was quick. Exactly what we clicked, no surprises on the invoice or fill.
Our HCG order arrived complete with nothing missing, storage and handling instructions were clear on the insert and institutional PO ordering was straightforward through their portal. One vial cap was a little stiff to break but the lyophilised material looked fine and we would order again.
We keep reordering HCG from Scientipeptides partly because the discreet unbranded outer packaging makes receiving simple and nothing ever looks out of place on the loading dock.
I have been pointing colleagues here whenever we need dependable research material. Fill weights, COAs, and turnaround have all been consistent across orders. When someone needed a specific lot certificate for audit prep, support responded the same day. That kind of reliability matters in a shared lab. Happy to keep ordering from them.
Good HCG extra padding though.
Appreciate the tamper-evident seals intact, solid vial crimp and stopper, accurate fill on each unit.. tracking was sparse and there was a bit more packaging than the order really needed but we would reorder.
Ordered HCG for a running assay series and the fill matched the stated quantity with minimal loss at the cake. Every vial looked properly filled and reconstitution was straightforward on the bench. We did not see unexpected residue or volume shortfall.. Packaging was secure and the lot arrived ready to log. Exactly what we want from a repeat supplier. Already queued the next reorder.
Absolutely perfect!
PO checkout straightforward.. perfect
We switched suppliers for HCG and the bulk pricing actually worked for a bigger study without cutting corners on paperwork. COA and batch details were straightfoward, and reorders have matched what we got the first time.
Crimp and stopper seal were rock solid.
gel packs still cold on arrival..
We have standardised on this supplier for HCG because the lot-to-lot variability is minimal. The analytical support is a plus.
Complete HCG order thanks!!
We've been building out a new LC method and needed something stable to tune retention and peak shape against. This lot behaved predictably run after run and gave us clean baselines to work from. I ran it alongside a couple of other standards and the profiles lined up nicely. Already told two people in the adjacent group to grab the same material for their assay development work.
Ran HCG on our in-house HPLC and the chromatogram was clean with no unexpected side peaks. Vial labeling matched the COA and reconstitution in bac water was straightforward. We've used this lot across several bench assays now and results have been consistent. Packaging was secure and nothing shifted in the box. Will keep this on our approved vendor list.
We order HCG regularly and Scientipeptides has been a reliable lab supplier every time. Consistent packaging, accurate fills, no surprises on delivery. Exactly what we need when we're juggling multiple projects!!
HCG storage instructions clear discreet unbranded outer box solid
Batch documentation from this supplier is easy to file.. lot numbers, purity summaries, and handling notes arrived in one PDF we dropped straight into QC. No back-and-forth email to fill gaps. That saves real time when you are running repeat assays w/ the same reference material. Second shipment showed up w/ the same format already…
HCG showed up on time and the invoice was clear/itemized so procurement didn't have to chase line items or batch refs.
HCG vial matched the stated qty with minimal loss on handling, though checkout on the site was a little clunky and I'd still order again.
Very good…
the LC-MS identity matched the expected sequence and overall reliability from this supplier has been steady across two orders now. HCG prep and documentation were exactly what our lab expects from a research-grade source.
COA was in the shipment and our bulk multi-vial order was packed neatly with no mixups.. tracking updates were sparse in transit but everything landed on time and the material looked good so we'd order again.
Rec'd fast w/ zero issues
Thank you for the HCG and for including real stability and shelf-life data with the shipment it helps our team plan freezer inventory without second-guessing. Everything on the COA matched the label and the vials looked pristine when they landed.
HCG vials arrived w/ tamper-evident seals fully intact on every unit we rec'd. Crimp caps looked undisturbed and the foam held everything tight in the box…
Sterility and endotoxin figures were right there in the documentation and the HPLC trace looked clean with no stray peaks. Exactly the kind of analytical package you want before putting something into a reference workflow.
Perfect HCG, thanks…
Great communication from the technical team when we asked for additional analytical data. They sent the full HPLC chromatogram promptly.
Solubility and stability were in line with the specification sheet. No cloudiness on reconstitution, and results in our binding assays were reproducible.
No complaints — clean product, accurate paperwork, and quick delivery. Exactly what a research lab needs from a reagent supplier.
Sealed, desiccated, and shipped cold. Everything about the handling suggests a supplier that understands laboratory requirements.
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Certificate of
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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.