The chemical D-Penicillamine has a designated molecular formula of C5H11NO2S and a molecular weight of 149.208 g/mol. Synonyms may include: Penicillamine, alpha-Amino-beta-methyl-beta-mercaptobutyric acid, Artamine, CCRIS 2904, Cuprenil, Cuprimine, Depamine, Depen, beta,beta-Dimethylcysteine, DPA, EINECS 200-148-8, Emtexate, HSDB 3378 (ChemID).