The chemical Ketorolac has a designated molecular formula of C15H13NO3 and a molecular weight of 255.273 g/mol. Synonyms may include: RS 37619, (+-)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, Ketorolaco [Spanish], Ketorolacum [Latin], (+-)-Ketorolac, Ketorolaco, Ketorolacum, Macril, UNII-YZI5105V0L, Acular LS (ChemID). Ketorolac has been assigned a MeSH pharmacological action of: Cyclooxygenase Inhibitor.