5,7-Dimethoxyflavone (CAS 21392-57-4), also known as Chrysin Dimethyl Ether, is a bioactive flavonoid derived from Kaempferia parviflora (Black Ginger). It potently inhibits CYP3A enzymes and Breast Cancer Resistance Protein (BCRP/ABCG2), showing promise in anti-obesity, anti-inflammatory, and anti-tumor research. With high purity (HPLC≥98%) and solubility in DMSO/chloroform, it is ideal for pharmaceutical and nutraceutical studies.