Pharmaceutical Reference Standards / Impurity Standards

Carbimazole
Carbimazole EP Impurity A
6-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin 2-one 4-oxide
[N-{4-chloro-2-[( hydroxyimino )(phenyl) methyl]phenyl} -2- (methylamino) acetamide]
Methimazole Thio-Beta-D-glucuronide
2-mercapto-1-methyl-2,5-dihydro-1H-imidazole-4,5-diol
Thiamazole