The chemical Umbelliferone has a designated molecular formula of C9H6O3 and a molecular weight of 162.144 g/mol. Synonyms may include: 7-Hydroxycoumarin, 5-18-01-00386 (Beilstein Handbook Reference), 7 HC, AI3-38054, 2H-1-Benzopyran-2-one, 7-hydroxy-, BRN 0127683, CCRIS 3591, EINECS 202-240-3, Hydrangin, Hydrangine, NSC 19790 (ChemID).