5-Hydroxy-2',3,4',7-tetramethoxyflavone 显示出较弱的 ABCG2 抑制效力，在 Hoechst 33342 和脱镁叶绿素 A 测定中 IC50 分别为 3.27 和 3.89 μM。

5-Hydroxy-2′,3,4′,7-tetramethoxyflavone shows weak ABCG2 inhibitory potency with IC50s of 3.27 and 3.89 μM in the Hoechst 33342 and pheophorbide A assays.

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years