Research Overview

PT-141

PT-141 (Bremelanotide)

A melanocortin-receptor agonist studied in central nervous system signaling research.

What It Is

PT-141, also known by its generic name bremelanotide, is a synthetic cyclic heptapeptide derived from alpha-MSH. It was originally developed and studied as a melanotan analog before research attention shifted to its melanocortin-receptor activity independent of pigmentation pathways.

It is one of the more extensively characterized melanocortin agonists in the peer-reviewed literature, including completed human clinical trials, which makes it a frequently cited reference compound in central-nervous-system melanocortin research.

Mechanism in the Research Literature

PT-141's studied mechanism is agonism at melanocortin receptors, with the literature focusing particularly on the MC4 receptor subtype expressed in the central nervous system. Unlike peripherally acting compounds, its proposed activity is centrally mediated, which is why it is frequently referenced in neuropharmacology research on melanocortin-receptor signaling rather than dermal or metabolic contexts.

Published trials have characterized its receptor-binding profile and pharmacokinetics in detail, providing a well-documented reference point for researchers designing melanocortin-receptor binding or signaling assays.

Why Purity Verification Matters Here

PT-141 is a cyclic peptide, and its cyclic structure is part of what the literature ties to its receptor-binding characteristics. A linear or improperly cyclized synthesis byproduct will not behave the same way at the receptor, so mass spectrometry identity confirmation (not purity alone) is the critical check here. Lot-matched, third-party CoAs let a researcher confirm the specific vial in hand corresponds to the correctly cyclized molecule described in the literature.

Third-party tested. Lot-matched. No exceptions.

Every unrl batch is characterized by independent third-party testing before it ships, not just an in-house spec sheet. Each Certificate of Analysis is tied to the lot number printed on the vial, so what you're holding matches a specific, published result rather than a generic average.

Independent lab, not manufacturer self-testing
HPLC purity + mass spectrometry identity confirmation
Lot-specific CoA, matched to the vial in hand
Published and searchable in the public COA library

View the COA Library

Research Use Only

This page is provided for research and educational purposes only. The compound discussed is a research reference standard, not a dietary supplement, drug, or article for human or veterinary use. Nothing on this page is medical advice, dosing guidance, or a claim of safety or efficacy. No statement has been evaluated by the FDA.

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