The chemical Sulindac sulfide has a designated molecular formula of C20H17FO2S and a molecular weight of 340.412 g/mol. Synonyms may include: EINECS 250-892-2, 1H-Indene-3-acetic acid, 5-fluoro-2-methyl-1-(p-(methylthio)benzylidene)-, 5-Fluoro-2-methyl-1-(p-methylthiobenzylidene)-3-indenyl acetic acid (ChemID). Sulindac sulfide has been assigned a MeSH pharmacological action of: Antineoplastic.