PT-141 (Bremelanotide) is a synthetic peptide derived from alpha-melanocyte-stimulating hormone (α-MSH). It is primarily used in laboratory research to study melanocortin receptor activity, particularly MC4R, which plays a role in sexual arousal and desire. Function: PT-141 acts as an agonist of melanocortin receptors, influencing neural pathways related to sexual function. 2 Applications: It is utilized in preclinical studies to explore its effects on sexual desire and arousal, particularly in cases where traditional treatments are ineffective. 2 Formulation: PT-141 is supplied as a 10 mg lyophilized powder, intended for research and clinical use under strict medical supervision. 2 Purity: The compound is verified at ≥99% purity, ensuring consistency and reliability for scientific research. 1 For more detailed information, you can refer to the sources,,,, and