The chemical Citric acid has a designated molecular formula of C6H8O7 and a molecular weight of 192.123 g/mol. Synonyms may include: Citric acid, anhydrous, 4-03-00-01272 (Beilstein Handbook Reference), Aciletten, AI3-06286, Anhydrous citric acid, BRN 0782061, Caswell No. 221C, CCRIS 3292, Citretten, Citro, EINECS 201-069-1 (ChemID).