The chemical Ibufenac has a designated molecular formula of C12H16O2 and a molecular weight of 192.258 g/mol. Synonyms may include: BRN 2046683, Dytransin, EINECS 216-302-2, Ibufenaco [INN-Spanish], Ibufenacum [INN-Latin], Ibunac, (p-Isobutylphenyl)acetic acid, 4-Isobutylphenylacetic acid, p-Isobutyl-alpha-toluic acid, Isodilan, Kyselina p-isobutylfenyloctova [Czech], Medirex (ChemID).