Z-IETD-pNACaspase and granzyme substrate Fluorogenic substrate for caspase-8 and granzyme B with increased cell permeability. Also substrate for caspase-10.Product SpecificationAlternative Name: Caspase-8 substrate (chromogenic), Granzyme B substrate (chromogenic) Sequence: Z-Ile-Glu-Thr-Asp-pNA (pNA = p-Nitroaniline) Formula: C33H42N6O13 MW: 730.7 Formulation: Lyophilized. Peptide Content: 70-90% Purity: ≥99% (HPLC) Appearance: White powder. Solubility: Soluble in water. Long Term Storage: -20°C Handling: Keep cool and dry.