4-Formylamino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (4-Formylaminophenazone) Price Not Available inquiry 4-Formylamino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (4-Formylaminophenazone) Supplier Page Catalog Number APS1672588D Alternative Name(s) 4-(Formylamino)antipyrine, Metamizole Imp. A (EP), 4-Formamidoantipyrine, NSC 60565,Metamizole Sodium Monohydrate Imp. A (EP), Formamide, N-antipyrinyl- (6CI,7CI,8CI), N-(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)formamide, N-Antipyrinylformamide Molecular Formula C12H13N3O2 CAS# 1672-58-8 Size inquiry Supplier Page https://reagents.alfa-chemistry.com/product/4-formylamino-1-5-dimethyl-2-phenyl-1-2-dihydro-cas-1672-58-8-55354.html