VEGF expression inhibitor and tumor angiogenesis. A flavonoid with antiaggregatory activity in human blood.Melting Point:257-265°C (dec.)Solubility:DMSO, Methanol (sparingly)Method for Determining Identity: Proton NMR (DMSO-d6) and MSTLC Conditions: SiO2; Dichloromethane : Methanol : Acetic Acid (9 : 1 : 0.1). Visualized with UV and AMCS (single spot; Rf =0.60).Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.