Description: α-Melanotropin, also known as α-melanocyte-stimulating hormone (α-MSH), is a 13-amino acid peptide originally characterized as a neuropeptide derived from the pituitary gland. It is synthesized from pro-opiomelanocortin (POMC) by the action of specific prohormone convertases.http://www.creative-peptides.com/product/melanotropin-human-acetate-item-10-101-131-125.html