Description: Peptide to Ac-Endothelin-1 (16-21) (Human) Form: Lyophilized powder Molecular Formula : C41H59N9O10Molecular Weight : 837.98Purity : > 95%Chemical Structure : Ac-His-Leu-Asp-Ile-Ile-TrpStorage/Stability : Shipped at 4°C. Store at -20°C for one year.