Description: Peptide to [Des-Tyr1]-Leu-Enkephalin Form: Lyophilized powder CAS Number : 60254-83-3Molecular Formula : C19H28N4O5Molecular Weight : 392.46Purity : > 95%Chemical Structure : Gly-Gly-Phe-LeuStorage/Stability : Shipped at 4°C. Store at -20°C for one year.