Product Specification Alternative Name:Caspase-8 substrate (chromogenic), Granzyme B substrate (chromogenic) Sequence:N-acetyl-Ile-Glu-Pro-Asp-pNA (p-nitroanilide) Formula:C28H38N6O11 MW:634.7 Purity:95% Appearance:Lyophilized solid. Solubility:Soluble to at least 100mM in DMSO. Long Term Storage:-20°C Use/Stability:Stock solution in DMSO (e.g. 0.1M) is highly stable at -20°C or -70°C. Handling:Keep cool and dry.