α-Melanocyte-Stimulating Hormone Synthetic α-melanocyte-stimulating hormone. Peptide hormone secreted by the anterior pituitary gland. Controls the intensity of pigmentation. A potent inhibitor of ICAM-1 expression in malignant melanocytes. Peptide Sequence Ac-Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2 Form Lyophilized Formulation Supplied as an acetate salt. Sold on the basis of peptide content. Molar mass 1664.9 Purity ≥95% by HPLC Sold on the basis of peptide content 是的 Solubility Water Chemical formula C77H109N21O19S CAS number 581-05-5 Merck USA index 14, 6295 Storage -20°C Ship Ambient Temperature Only Standard Handling