The chemical Kojic acid has a known molecular formula of C6-H6-O4. Synonyms may include: 5-18-02-00516 (Beilstein Handbook Reference), AI3-02549, BRN 0120895, CCRIS 4131, EINECS 207-922-4, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, NSC 1942, 2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one, HSDB 7664, UNII-6K23F1TT52 (ChemID).