The chemical Testosterone has a designated molecular formula of C19H28O2 and a molecular weight of 288.431 g/mol. Synonyms may include: Androlin, Andronaq, Androst-4-en-17beta-ol-3-one, Androst-4-en-3-one, 17-beta-hydroxy-, Androst-4-en-3-one, 17beta-hydroxy-, Androst-4-en-3-one, 17-hydroxy-, (17-beta)-, Andrusol, CCRIS 574 (ChemID).