Description: Peptide to Alpha-MSH (Free acid) Form: Lyophilized powder Alternative Names: ACETYL-ACTH (1-13)CAS Number : 10466-28-1Molecular Formula : C77H108N20O20SMolecular Weight : 1665.91Purity : > 95%Chemical Structure : Ac-Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys-Pro-ValStorage/Stability : Shipped at 4°C. Store at -20°C for one year.