PT 141

PT-141 is a synthetic cyclic melanocortin receptor agonist derived from α-MSH. Investigations cover MC3R/MC4R activation, hypothalamic signaling, and neurobehavioral pathways.

Compound

PT-141 (bremelanotide), melanocortin receptor agonist

CAS number

189691-06-3

Molecular weight

1025.2 g/mol

Form

Lyophilized powder in a sealed glass vial

Strength

10mg per vial

Purity

>99% (brand-wide standard), measured 99.21% on the current lot

Testing

HPLC purity, mass spectrometry identity, bacterial endotoxin (pass), run by Horizon Analytical

Documentation

Lot 3230947, tested Jul 2, 2026 certificate of analysis

Storage

Lyophilized: sealed at -20°C, protected from light and moisture.

Origin

Vialed, finished, tested and shipped in the USA

Intended use

Research use only. Not for human or veterinary use.

Pricing and ordering are available to signed-in research accounts.