Cathepsin B,L Inhibitor (Z-FF-FMK)

May be stored at 4 °C for short-term only. For long-term storage, aliquot to avoid repeated freezing and thawing and freeze at -20 °C. Aliquots are stable for 12 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.