Description: Peptide to Cholecystokinin Octapeptide (1-3) (desulfated) Form: Lyophilized powder Molecular Formula : C18H25N3O7SMolecular Weight : 427.48Purity : > 95%Chemical Structure : Asp-Tyr-MetStorage/Stability : Shipped at 4°C. Store at -20°C for one year.