The chemical Tangeretin has a designated molecular formula of C20H20O7 and a molecular weight of 372.373 g/mol. Synonyms may include: 5-18-05-00491 (Beilstein Handbook Reference), AI3-23869, 4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(p-methoxyphenyl)-, BRN 0351695, EINECS 207-570-1, 2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one, NSC 53909, Pentamethoxyflavone, 4',5,6,7,8-Pentamethoxyflavone (ChemID).