Antipyrine Impurities

Antipyrine with benzocaine otic is used to treat middle ear infections that cause ear pain and swelling.

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Parent Drug Name Name of Impurity Catalogue No. CAS No.
Antipyrine

Antipyrine Impurity 2

VE0012238 83-15-8
Antipyrine

Antipyrine-4-Peroxide

VL6710007 69124-27-2
Antipyrine

4-Formyl Methylamino Antipyrine (FMAA)

VL6710002 1672-59-9
Antipyrine

4-Hydroxy Antipyrine

VL6710006 1672-63-5
Antipyrine

4-Methylamino Antipyridine N-Oxide

VL6710003 N/A
Antipyrine

4-Propyl Aminoantipyrine HCl

VL6710001 N/A
Antipyrine

4-Sulfate Aminoantipyrine

VL6710010 1759-26-8