PT-141
PT-141 (bremelanotide) is a synthetic cyclic heptapeptide melanocortin receptor agonist, structurally related to Melanotan II but with a C-terminal carboxylic acid. It has been studied in experimental models of central melanocortin (MC3R/MC4R) signaling.
For in-vitro laboratory research only. Not for human or veterinary use.
Reference data
Lab reports
Storage & handling
Store lyophilized material at -20°C, protected from light and moisture.
Handle in a laboratory setting using appropriate personal protective equipment.
Questions about PT-141
What is PT-141?
PT-141 (bremelanotide) is a synthetic cyclic heptapeptide melanocortin receptor agonist, structurally related to Melanotan II but with a C-terminal carboxylic acid. It has been studied in experimental models of central melanocortin (MC3R/MC4R) signaling.
What is the CAS number of PT-141?
The CAS registry number of PT-141 is 189691-06-3.
What is the molecular formula and weight of PT-141?
Molecular Formula: C50H68N14O10. Molecular Weight: 1025.18 g/mol.
How is PT-141 tested?
Every lot of PT-141 is analysed by an independent, third-party laboratory using HPLC for identity and purity. The Certificate of Analysis for each lot — lot number, test date and result — is published and listed on this page.
How should PT-141 be stored?
Store lyophilized material at -20°C, protected from light and moisture.
Is PT-141 for human use?
No. PT-141 is sold strictly for in-vitro laboratory research by qualified researchers aged 21 and over. It is not for human or veterinary use and is not a drug, food, supplement or cosmetic.
