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METAMIZOLE

M-538

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Catalogue Number:	M-538
Compound Name:	Metamizole EP Impurity E
Synonyms:	((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)methanesulfonic acid
CAS#:	117-38-4
Alternate CAS#:	129-89-5 (Sodium Salt)
Molecular Formula:	C₁₂H₁₅N₃O₄S
Molecular Weight:	297.33

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