The chemical Primidone has a designated molecular formula of C12H14N2O2 and a molecular weight of 218.256 g/mol. Synonyms may include: 5-24-08-00102 (Beilstein Handbook Reference), 5-Aethyl-5-phenyl-hexahydropyrimidin-4,6-dion [German], BRN 0218034, CCRIS 54, Cyral, 2-Deoxyphenobarbital, 2-Desoxyphenobarbital, Desoxyphenobarbitone, EINECS 204-737-0, 5-Ethyldihydro-5-phenyl-4,6(1H,5H)-pyrimidinedione (ChemID).