The chemical Xanthine has a designated molecular formula of C5H4N4O2 and a molecular weight of 152.113 g/mol. Synonyms may include: AI3-52268, CCRIS 994, 3,7-Dihydro-1H-purine-2,6-dione, 2,6-Dioxopurine, 2,6-Dioxo-1,2,3,6-tetrahydropurine, EINECS 200-718-6, Isoxanthine, NSC 14664, Pseudoxanthine, 1H-Purine-2,6-diol, Purine-2,6-diol, 9H-Purine-2,6-diol (ChemID).