The chemical Retinoic acid has a designated molecular formula of C20H28O2 and a molecular weight of 300.442 g/mol. Synonyms may include: Tretinoin, 4-09-00-02387 (Beilstein Handbook Reference), Aberel, Aberela [Norway], Acid A Vit (Belgium, Netherlands), A-Acido (Argentina), Acnavit [Denmark], Airol, Aknefug, Aknoten, all-trans-Retinoic acid, Alltrans-retinoic acid (ChemID). Retinoic acid has been assigned a MeSH pharmacological action of: Antineoplastic.