PT-141 10mg
Laboratory and analytical research only. Not for human consumption. 18+.
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- Free UK tracked delivery
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Specification and laboratory information
PT-141 10mg is supplied as a lyophilised research peptide in a sealed vial.
Laboratory and analytical research only. Not for human consumption. Orders restricted to adults aged 18 or over.
PT-141 is also indexed as bremelanotide. Chemically, it is a cyclic heptapeptide derived from the melanocortin peptide family, with an N-acetylated norleucine residue and an internal lactam ring.
Supplied as lyophilised PT-141 at a 10mg nominal fill.
Chemical identity
| Compound | PT-141 / Bremelanotide |
| Condensed sequence | Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH, cyclised between Asp and Lys |
| Residue count | 7 |
| CAS number | 189691-06-3 (free peptide) |
| Molecular formula | C₅₀H₆₈N₁₄O₁₀ |
| Molecular weight | 1025.2 g/mol |
| PubChem CID | 9941379 |
| Also indexed as | Bremelanotide, PT-141 |
Salt-form note: PT-141 may be supplied as an acetate or another counterion form. The molecular data above describe the free peptide; use the lot-specific certificate for the exact supplied form.
Product specification
| Nominal fill | 10mg |
| Purity | 99%+ |
| Physical form | Lyophilised powder |
| Appearance | White to off-white |
| Documentation | Lot-specific certificate of analysis |
Storage and handling
Store sealed at −20°C, protected from light and moisture. Allow the vial to equilibrate to ambient temperature before opening to reduce condensation. Avoid repeated temperature cycling and refer to the lot-specific certificate for batch handling information.
Supply and despatch
When released for sale, UK tracked delivery is free. Paid orders for available stock placed before 3pm UK time on a working day are normally dispatched the same day. See our delivery information for details.
Frequently asked questions
What is PT-141? PT-141 is the development name commonly used for the cyclic heptapeptide bremelanotide.
What is the CAS number? 189691-06-3 for the free peptide.
What is its molecular weight? 1025.2 g/mol for the free peptide. The mass of supplied lyophilised material can also include counterions and residual water, so use the lot COA for quantitative laboratory calculations.
Is PT-141 supplied for human use? No. This material is supplied strictly for laboratory and analytical research and is not for human consumption, medical or veterinary use.
Package includes: 1 × PT-141 10mg vial.
Test reports and related information
Batch documentation will be added before this product is released for sale.