PT-141
Bremelanotide, a melanocortin analog.
10mg · $60.00 · COA pending · batch VAL-PT1-10 · low stock
Sequence Builder
One block per amino acid residue, N-terminus to C-terminus, coloured by side-chain property.
- Nonpolar
- Polar
- Charged
PT-141 (bremelanotide) is a cyclic heptapeptide melanocortin-receptor agonist related to Melanotan II. It differs at the C-terminus, which is a free acid.
For laboratory research use only. Not for human or veterinary use.
- Compound
- PT-141
- Sequence
- Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH
- Molecular weight
- 1025.2 g/mol
- Formula
- C50H68N14O10
- Form
- Lyophilised (freeze-dried) powder in a sealed glass vial
- Fill
- 10mg
Reference values from published literature. The lot certificate is the authority for a specific vial.
Store unopened vials of freeze-dried powder at −20 °C, protected from light and moisture. Short periods at room temperature in transit do not affect lyophilised material. Let a vial reach room temperature before opening so condensation does not form inside.
We ship within the United States only, by FedEx 2Day, cold-packed and tracked, with delivery expected by 5 p.m. on the scheduled delivery date. Orders placed before 10 a.m. PT (1 p.m. ET) on business days ship the same day. No weekend dispatch. Shipping is free on peptide orders over $250.
Online payment for US orders is not yet available. We only list payment methods that are live, and card payment will be added once approved. Orders ship only after payment is received. All sales are final. Replacement applies only to damage, loss in transit or a wrong item.
PT-141: COA pending. The certificate is published on Lab Results as soon as the lot is released.
Frequently asked questions
What is PT-141?
PT-141 (bremelanotide) is a cyclic heptapeptide melanocortin-receptor agonist related to Melanotan II. It differs at the C-terminus, which is a free acid.
What is the amino acid sequence of PT-141?
Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH.
How should PT-141 be stored?
Store unopened vials of freeze-dried powder at −20 °C, protected from light and moisture. Short periods at room temperature in transit do not affect lyophilised material. Let a vial reach room temperature before opening so condensation does not form inside.
How is PT-141 tested?
Each lot is sent to an independent third-party laboratory for analysis, and the certificate of analysis is published on our Lab Results page when the lot is released. Until then, the product shows "COA pending".
How does PT-141 ship?
We ship within the United States only, by FedEx 2Day, cold-packed and tracked, with delivery expected by 5 p.m. on the scheduled delivery date. Orders placed before 10 a.m. PT (1 p.m. ET) on business days ship the same day. No weekend dispatch. Shipping is free on peptide orders over $250.