Description: Peptide to Acetyl-Alpha-MSH (11-13) Form: Lyophilized powder CAS Number : 57899-96-4Molecular Formula : C18H33N5O4Molecular Weight : 383.49Purity : > 95%Chemical Structure : Ac-Lys-Pro-Val-NH2Storage/Stability : Shipped at 4°C. Store at -20°C for one year.