API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Sulfaguanidine

EP Impurity A

-aminobenzenesulphonamide (sulphanilamide) Sulfaguanidine-EP-Impurity-A
Sulfaguanidine

EP Impurity B

N-[(4-aminophenyl)sulphonyl]urea (sulphacarbamide). Sulfaguanidine-EP-Impurity-B