API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Nimesulide

EP Impurity D

4-nitro-2-phenoxyaniline Nimesulide-EP-Impurity-D
Nimesulide

EP Impurity C

2-phenoxyaniline, Nimesulide-EP-Impurity-C
Nimesulide

EP Impurity A

N-(2,4-dinitro-6-phenoxyphenyl)methanesulphonamide Nimesulide-EP-Impurity-A
Nimesulide

EP Impurity B

N-(2-phenoxyphenyl)methanesulphonamide, Nimesulide-EP-Impurity-B
Nimesulide

EP Impurity E

N,N-bis(methylsulphonyl)-2-phenoxyaniline, Nimesulide-EP-Impurity-E
Nimesulide

EP Impurity F

N,N-bis(methylsulphonyl)-4-nitro-2-phenoxyaniline Nimesulide-EP-Impurity-F