Inhibits the p53-MDM2 interaction (20um). Has also been shown to inhibit bovine chymotrypsin A-y.Solubility:DMSO (~50 mg/ml) or Ethanol (~15mg/ml, warm)Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store 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.