Description: Peptide to Endothelin (16-21) Form: Lyophilized powder CAS Number : 121377-67-1Molecular Formula : C39H57N9O9Molecular Weight : 795.94Purity : > 95%Chemical Structure : His-Leu-Asp-Ile-Ile-TrpStorage/Stability : Shipped at 4°C. Store at -20°C for one year.