The chemical Spironolactone has a designated molecular formula of C24H32O4S and a molecular weight of 416.576 g/mol. Synonyms may include: 4-18-00-01601 (Beilstein Handbook Reference), Acelat, 7-alpha-Acetylthio-3-oxo-17-alpha-pregn-4-ene-21,17-beta-carbolactone, Aldactone, Aldactone A, Alderon, BRN 0057767, Dira, EINECS 200-133-6, Espironolactona [INN-Spanish], Euteberol, HSDB 3184 (ChemID). Spironolactone has been assigned a MeSH pharmacological action of: Mineralocorticoid Receptor Antagonist.