Potent RET kinase inhibitor. AST 487 displays high selectivity and potency toward FLT3 as a molecular target, and which could potentially be used to override drug resistance in AML.Solubility: <1mg/ml (DSMO)Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 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.