Caspase 3 Colorimetric Substrate (N-acetyl-Asp-Glu-Val-Asp-pNA (p-nitroanilide)) (CPP-32, Apoptain, Yama, SCA-1)

May be stored at 4 °C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 °C. Aliquots are stable for at least 6 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.