The chemical Formestane has a designated molecular formula of C19H26O3 and a molecular weight of 302.414 g/mol. Synonyms may include: B, Aromatase inhibitor, BRN 1889793, CCRIS 7483, CGP 32349, 4-Hydroxy-4-androstene-3,17-dione, 4-Hydroxy-delta(sub 4)-androstenedione, NSC 282175, 4-OH-A, UNII-PUB9T8T355, Lentaron, CGP-32349 (ChemID). Formestane has been assigned a MeSH pharmacological action of: Antineoplastic, Aromatase Inhibitor.