Metamizole EP Impurity B (Ampyrone)

CAS: 83-07-8

Ref. 4Z-M-533

Product Information

• Name: Metamizole EP Impurity B (Ampyrone)
• Synonyms: 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, (2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amine, 1,2-Dihydro-1,5-dimethyl-2-phenyl-4-amino-3H-pyrazol-3-one, 1-Phenyl-2,3-dimethyl-4-amino-5-pyrazolone, 3H-Pyrazol-3-one, 4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-, 4-Aap, 4-Amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one, 4-Amino-1,2-dihydro-2,3-dimethyl-1-phenylpyrazol-5-one, 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one, 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one, 4-Amino-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one, 4-Amino-1,5-dimethyl-2-phenyl-1H-pyrazol-3-one, 4-Amino-1,5-dimethyl-2-phenyl-3-pyrazolone, 4-Amino-1,5-dimethyl-2-phenyl-4-pyrazolin-3-one, 4-Amino-1,5-dimethyl-2-phenyl-pyrazolidin-3-one, 4-Amino-1,5-dimethyl-2-phenylpyrazolin-3-one, 4-Amino-1,5-dimethyl-3-oxo-2-phenylpyrazoline, 4-Amino-1-Fenil-2,3-Dimetil-3-Pirazolin-5-Ona, 4-Amino-1-phenyl-2,3-dimethyl-5-pyrazolone, 4-Amino-2,3-Dimethyl-1-Phenyl-3-Pyrazoline-5-One, 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-on, 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one, 4-Amino-2,3-dimethyl-1-phenyl-5-pyrazolone, 4-Amino-2,3-dimethyl-1-phenylpyrazolin-5-one, 4-Aminoantipyrine, 4-Aminophenazone, 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, Aminoantipyrene, Aminoantipyrine, Aminoazophene, Ampyrone, Antipyrine, 4-Amino-, Metapirazone, Nsc 60242, Solvapyrin A
• Brand: TLC

Chemical properties

• Molecular weight: 203.25
• Formula: C₁₁H₁₃N₃O
• Color/Form: Pale Yellow Solid