What Is PT-141? Identity and Research Context

PT-141 is searched by name far more often than it is explained accurately. This overview keeps to what can be stated plainly and checked against public records: what PT-141 is as a molecule, and the research field it belongs to. It does not make claims about what it does.

What PT-141 is

PT-141, also known as bremelanotide, is a synthetic cyclic seven-amino-acid peptide in the melanocortin family, structurally related to alpha-melanocyte-stimulating hormone (alpha-MSH). Its identity is publicly checkable: PubChem CID 9941379, CAS 189691-06-3, molecular formula C50H68N14O10, and an average molecular weight of about 1,025 g/mol.

What research areas is PT-141 associated with?

Because PT-141 is a melanocortin-family peptide, in the scientific literature it is discussed within melanocortin-system research, part of the broader field of peptide endocrinology. That names the research area the molecule sits in; it is not a statement about any effect, result, dose, or use. Naming a field of study is not the same as making a claim.

Why we describe it this way

Most pages selling a compound like this lead with what it supposedly does. We do not: these products are sold strictly for laboratory research, so outcome and use claims are not appropriate, and what actually separates suppliers is whether the material is what the label says. That is a documentation question, and we answer it in public with a third-party certificate for every lot.

Check the lot yourself

Look up any lot on our public register, read our guide on how to read a COA, or see what >98% purity actually means across every lot we publish. Browse the product itself: PT-141. More identity guides: Melanotan 2 and Tesamorelin.

References: PubChem CID 9941379 and CAS Registry Number 189691-06-3 for identity, formula, and molecular weight.

All products are sold strictly for laboratory and research use only, and are not for human or animal consumption.