The chemical Kynurenic acid has a designated molecular formula of C10H7NO3 and a molecular weight of 189.170 g/mol. Synonyms may include: CCRIS 4428, EINECS 207-751-5, 4-Hydroxyquinaldic acid, 4-Hydroxyquinaldinic acid, 4-Hydroxyquinoline-2-carboxylic acid, Kinurenic acid, Kynuronic acid, NSC 58973, Quinurenic acid, UNII-H030S2S85J (ChemID). Kynurenic acid has been assigned a MeSH pharmacological action of: Excitatory Amino Acid Antagonist.