Ron L.✓ Verified owner
June 23, 2026
clean packaging, legit looking brand
PT-141
Released · In stock at the U.S. facility
Original price was: $120.00.$54.99Current price is: $54.99. −54%Save $65.01
CAS 189691-06-3MW 1025.2 Da≥ 99 % HPLC
−54%Save $65.01Save $65.01 per vial — limited release pricing
In stock·Ships Tomorrow·48-hour express delivery
Code EXTRA10 auto-applied at checkout
→
$49.49
You save $70.51 total (59% off retail)
What research shows
- 🧬Melanocortin agonist — MC3R/MC4R-selective synthetic peptide
- 🧠Central pathway — studied at hypothalamic melanocortin circuits
- 🔬Well-characterized — defined cyclic heptapeptide, ≥99% HPLC purity per lot
Why Puripep: ≥99% HPLC verified · LAL endotoxin <10 EU/mg · third-party CoA per lot · ships in insulated cold-chain mailer · 48-hour express U.S. delivery
The science behind it
PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide and melanocortin-receptor agonist (MC3R/MC4R-selective). Research focuses on its activity at central melanocortin signaling pathways in the hypothalamus.
Storage & reconstitution
Store lyophilized vial at −20 °C (long term) or 2–8 °C (short term, up to 30 days). Reconstitute with bacteriostatic water at the working concentration. After reconstitution, store at 2–8 °C and use within 28 days.
Quality & release standards
Each lot released only after passing: HPLC purity ≥99%, mass-spectrometry identity confirmation, and LAL endotoxin <10 EU/mg. Certificate of Analysis (CoA) issued per lot. U.S. synthesis (Carlsbad CA).
Research Use Only — PT-141 is sold for in-vitro laboratory research and authorised professional use. Not for human or animal consumption. Not a medicinal product, supplement, food additive, or cosmetic. Customers represent they are a qualified researcher, laboratory, or institution.
- ≥ 99 % HPLC purity
- CoA on every vial
- U.S. warehouse · flat $14.99
Reviews
4.7220 customer reviews
5★170
4★43
3★7
2★0
1★0
Fran F.✓ Verified owner
June 21, 2026
was out for delivery the very next day. not a mark on the glass. glad i found this place
Ian S.✓ Verified owner
June 21, 2026
well packed and quick to arrive
Anonymous
June 22, 2026
this ones the winner. beat the estimate by a couple days and it came packed cold
Anonymous✓ Verified owner
June 17, 2026
got here fast and the packaging was solid
Anonymous
June 16, 2026
took four days to arrive, longer than they advertise
Harper W.
June 16, 2026
came cold and sealed, real straightforward order
Allison T.✓ Verified owner
June 14, 2026
vial was in good shape, only gripe is the tracking barely moved the whole way
Brianna F.✓ Verified owner
June 14, 2026
clean label, sealed vial, well packed
phil27✓ Verified owner
June 14, 2026
delivery was about three days, vial in good condition
Juan F.✓ Verified owner
June 13, 2026
same quality on every order. stopper sealed right. real happy
Jessica✓ Verified owner
June 12, 2026
prefer these guys over the others, showed up in a few days
Jessica B.
June 11, 2026
four orders deep and the cold packing has held up each time
Diana G.
June 10, 2026
better than the other vendors ive used. took four days to ship, worth the wait
Harper L.
June 9, 2026
label and box looked clean, just wish the tracking had updated sooner
Anonymous✓ Verified owner
June 7, 2026
cant say enough good things. out for delivery the next day and the cold pack was still cold when it landed
Anonymous✓ Verified owner
June 7, 2026
took a couple extra days to ship but the product looks fine
Scott✓ Verified owner
June 7, 2026
confirmation email took a few hours to land, order itself was fine
Anonymous✓ Verified owner
June 6, 2026
took over a week to get here and the box was dented. product was fine but the wait was annoying
vanessa10✓ Verified owner
June 4, 2026
ran behind on shipping, no other complaints
