Description: Peptide to Beta-Casomorphin (1-4) (Bovine) Form: Lyophilized powder CAS Number : 74171-19-0Molecular Formula : C28H34N4O6Molecular Weight : 522.61Purity : > 95%Chemical Structure : Tyr-Pro-Phe-ProStorage/Stability : Shipped at 4°C. Store at -20°C for one year.