Synonyms1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl hydrogen sulfate Close 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl hydrogen sulfate Related products 4-Methylamino Antipyridine N-Oxide M.F. M.W. 233.27 CAT# AR-A02235 CAS# NA Metamizole EP Impurity C-d3 HCl M.F. M.W. 220.29 36.46 CAT# AR-A02227 CAS# NA 4-Sulfate Aminoantipyrine M.F. M.W. 283.31 CAT# AR-A02230 CAS# 1759-26-8 4-Acetamido Antipyrine M.F. M.W. 245.28 CAT# AR-A02232 CAS# 83-15-8 4-Propyl Aminoantipyrine HCl M.F. M.W. 245.33 36.46 CAT# AR-A02233 CAS# 101116-41-0 (free base) 4-Formyl Methylamino Antipyrine (FMAA) M.F. M.W. 245.28 CAT# AR-A02234 CAS# 1672-59-9 Nitroso Antipyrine M.F. M.W. 217.23 CAT# AR-A02236 CAS# 885-11-0 2-nitrosopyridine M.F. M.W. 108.1 CAT# AR-A02237 CAS# 79917-37-6 4-Hydroxy Antipyrine M.F. M.W. 204.23 CAT# AR-A03293 CAS# 1672-63-5 4-Methylaminoantipyrine Sulfate M.F. M.W. 315.34 CAT# AR-A04824 CAS# NA 4-Hydroxyantipyrine Sulfate M.F. M.W. 284.3 CAT# AR-A04894 CAS# 81416-56-0