The chemical Daidzein has a designated molecular formula of C15H10O4 and a molecular weight of 254.241 g/mol. Synonyms may include: K 251b, 5-18-04-00089 (Beilstein Handbook Reference), BRN 0231523, CCRIS 7600, Daidzein (6CI), Daidzeol, 4',7-Dihydroxyisoflavone, 7,4'-Dihydroxyisoflavone, EINECS 207-635-4, 7-Hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, NPI 031E, UNII-6287WC5J2L (ChemID).