Description: Peptide to Cholecystokinin Octapeptide (1-5) (desulfated) Form: Lyophilized powder Molecular Formula : C31H38N6O9SMolecular Weight : 670.75Purity : > 95%Chemical Structure : Asp-Tyr-Met-Gly-TrpStorage/Stability : Shipped at 4°C. Store at -20°C for one year.