Description: Peptide to Ac-WEHD-pNA Form: Lyophilized powder Molecular Formula : C34H37N9O11Molecular Weight : 747.71Purity : > 95%Chemical Structure : Ac-Trp-Glu-His-Asp-pNAApplication : Ac-YVAD-pNA, chromogenic substrate for caspase-1 (ICE).Storage/Stability : Shipped at 4°C. Store at -20°C for one year.