is a high-purity synthetic cyclic heptapeptide, belonging to fine chemical products. It is a non-selective melanocortin receptor agonist structurally derived from α-MSH (alpha-melanocyte-stimulating hormone), manufactured through advanced solid-phase peptide synthesis technology. The product is presented as white fluffy lyophilized powder, with purity ≥99% (HPLC verified), and strictly controlled impurities including residual solvents, related peptides and heavy metals, fully complying with the quality standards of industrial and research-grade fine chemicals. It has excellent solubility, easily dissolving in sterile water and physiological saline, which is convenient for the preparation of solutions for experimental and industrial application scenarios. PT-141 specifically binds to melanocortin receptors MC1R, MC3R and MC4R with high affinity, and is mainly used as a chemical research reagent in preclinical research fields such as sexual dysfunction, neuroendocrine regulation and melanocortin receptor pharmacology. Its molecular formula is C??H??N??O??, molecular weight is 1025.18 Da, and amino acid sequence is Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH.

It is a stable fine chemical product under specified storage conditions, suitable for long-term storage and use in chemical research and related experimental scenarios. it appears as a white powder with stable composition, low impurity content, excellent physical and chemical properties, and good solubility, which can meet the needs of various laboratory preparation and synthesis experiments. This chemical is widely used in biochemical research, biological reagent R&D, endocrine mechanism research, biomedical intermediate experiments and related fine chemical fields. It is a common basic biochemical raw material and research synthetic reagent for various scientific research institutions, chemical enterprises and laboratories.