The chemical Nandrolone decanoate has a designated molecular formula of C28H44O3 and a molecular weight of 428.657 g/mol. Synonyms may include: BRN 2228051, Deca-Durabol, Deca-Durabolin, EINECS 206-639-3, 17-beta-Hydroxyestr-4-en-3-one decanoate, Norandrostenolone decanoate, 19-Norandrostenolone decanoate, Nortestosterone decanoate, 19-Nortestosterone decanoate, (17-beta)-17-((1-Oxodecyl)oxy)estr-4-en-3-one, Retabolil, Hybolin decanoate (ChemID).