The chemical Zaprinast has a designated molecular formula of C13H13N5O2 and a molecular weight of 271.280 g/mol. Synonyms may include: EINECS 253-655-1, Zaprinastum [INN-Latin], M and B 22948, M&B 22,948, M&B 22948, 2-(2-Propoxyphenyl)-8-aza-6-purinone, 2-(o-Propoxyphenyl)-8-azapurin-6-one, 8-Aza-2-(2-propoxyphenyl)-6-purinone, 3,6-Dihydro-5-(2-propoxyphenyl)-7H-(1,2,3)truaziki(4,5-d)pyrimidin-7-on, 3,6-Dihydro-5-(o-propoxyphenyl)-7H-v-triazolo(4,5-d)pyrimidin-7-one (ChemID). Zaprinast has been assigned a MeSH pharmacological action of: Phosphodiesterase Inhibitor.