Bremelanotide · PT141
| Classification | Cyclic heptapeptide; melanocortin receptor agonist |
|---|---|
| Amino acid sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH |
| Short notation | Ac-Nle-c[Asp-His-DPhe-Arg-Trp-Lys]-OH |
| Molecular formula | C50H68N14O10 |
| Molecular weight | 1025.16 g/mol |
| CAS number | 189691-06-3 |
| Solubility | Soluble in water and bacteriostatic water. |
| Reported half-life | Cyclic structure confers greater stability than linear melanocortin peptides. |
International orders have a 3-vial minimum per product. Case pricing shown is international; US warehouse case pricing may differ and is shown at checkout.
A metabolite of Melanotan 2, differing by a free C-terminal carboxylic acid in place of the amide. Acts primarily at MC3R and MC4R, and unlike its parent compound has substantially reduced activity at the pigmentation-associated MC1R.
The following describes contexts in which this compound appears in published laboratory literature. Nothing here is a claim of efficacy, safety, or suitability for any use in humans or animals.
| Lyophilized powder | Store lyophilized powder at -20 °C, sealed and protected from light. This compound is light- and oxidation-sensitive. |
|---|---|
| After reconstitution | Store at 2–8 °C in light-protective packaging; use within approximately 4 weeks. Avoid repeated freeze-thaw cycles. |
| Shipping | Ships at ambient temperature in light-protective packaging. |
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| Vial | 1 vial (US) | 3 vials (Intl) | Case of 5 | Case of 10 | Stock |
|---|---|---|---|---|---|
| 10mg | $55 | $165 | $190 | $370 | 2 in Denver |
$20 flat USA shipping · solutioning available at $10/vial · Denver stock ships within 1 business day of order confirmation.