Metamizole impurity A

Synonym(s):

4-Formylaminoantipyrine, N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)formamide

Empirical Formula (Hill Notation):

C₁₂H₁₃N₃O₂

CAS Number:

Molecular Weight:

231.25

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