Description: Peptide to Acetalin 1 Form: Lyophilized powder Alternative Names: OPIOID RECEPTOR ANTAGONIST 1CAS Number : 152274-65-2Molecular Formula : C44H66N14O7S2Molecular Weight : 967.23Purity : > 95%Chemical Structure : Ac-Arg-Phe-Met-Trp-Met-Arg-NH2Storage/Stability : Shipped at 4°C. Store at -20°C for one year.