PT-141, also known as bremelanotide in scientific literature, is a synthetic cyclic melanocortin peptide analogue. It is most often discussed around central melanocortin signalling, MC3R and MC4R pathway models, and receptor-selective peptide activity.
The useful research angle is receptor selectivity. PT-141 gives customers a melanocortin analogue that can be compared with alpha-MSH, Melanotan-1, and Melanotan II to understand how cyclic peptide structure changes receptor signalling.
This product reads as a receptor-pathway research material only. The specification table provides the supplied identity, sequence, molecular mass, formula, purity, solubility, and storage information.
The references below are starting points for the mechanisms discussed here. The specification table on this page covers identity, formula, molecular mass, physical form, solubility, storage, and lot-level analytical information.
References
- PubChem search: PT-141 bremelanotide
- PubMed: PT-141 bremelanotide melanocortin receptor
- PubMed: MC4R cyclic melanocortin peptide
Research-use notice: Supplied strictly for lawful research, laboratory, analytical, educational, or R&D purposes where permitted by applicable law. Not for human or animal use, consumption, diagnosis, treatment, food, supplement, cosmetic, veterinary, or similar end use.




