Description: Peptide to [D-Arg2]-Dermorphin (1-4) amide Form: Lyophilized powder Molecular Formula : C26H36N8O5Molecular Weight : 540.63Purity : > 95%Chemical Structure : Tyr-D-Arg-Phe-Gly-NH2Storage/Stability : Shipped at 4°C. Store at -20°C for one year.