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Not for human consumption, veterinary use, or clinical administration. Sold exclusively to qualified laboratories and researchers for in-vitro study.
PT-141, also known as bremelanotide, is a synthetic cyclic heptapeptide derived from the sequence of α-melanocyte-stimulating hormone (α-MSH). Structurally it is a cyclic lactam in which the peptide backbone is closed between aspartate and lysine residues, producing a constrained ring that resists enzymatic breakdown in research preparations.
PT-141 is studied in preclinical research as a non-selective agonist of the melanocortin receptors MC1R, MC3R, MC4R and MC5R, with the strongest binding reported at the centrally expressed MC3R and MC4R subtypes. Researchers use it as a reference compound in melanocortin-pathway studies, neuropeptide signalling assays and comparative receptor-binding work alongside Melanotan-II, another α-MSH analogue in the myPEPT catalogue. Published work has also compared PT-141 with its linear parent sequence to map how the cyclic lactam affects receptor selectivity and resistance to degradation. The literature lists a molecular weight of approximately 1,025 Da.
Bacteriostatic water for reconstitution is sold separately, and the peptide reconstitution calculator converts the 10 mg or 20 mg vial mass and a chosen diluent volume into a concentration.
PT-141 ships within Europe, including Ireland, and every parcel is tracked. Customers in Ireland can pay by card, PayPal, Klarna or SEPA transfer; other European countries see their local payment options at checkout. Our support team answers questions about batches, certificates and order status before and after purchase.
PT-141 is sold strictly for laboratory research use only and is not for human consumption. myPEPT makes no medical claims and does not give legal advice; buyers confirm at checkout that they are purchasing for research purposes and are responsible for compliance with the rules that apply to them.
For research use only. This product is intended exclusively for in-vitro research and laboratory applications. Not approved for human or animal consumption, medical treatment, or therapeutic use.
