SynonymsN,1-Dimethyl-4-(methylamino)-1H-imidazole-5-carboxamide; Caffeine EP Impurity E Close N,1-Dimethyl-4-(methylamino)-1H-imidazole-5-carboxamide; Caffeine EP Impurity E Related products Caffeidine M.F. M.W. 168.2 CAT# AR-X19756 CAS# 20041-90-1