Acetaminophen Secondary StandardParacetamol API 4'-Hydroxyacetanilide

Parbendazole Secondary StandardParbendazole API Methyl (5-butyl-1H-benzoimidazol-2-yl)carbamate

R-(+) –PhenylethylaminePhenethylamine IMP (αR)-α-Methyl-benzenemethanamine

Phenothiazine DioxidePhenothiazine IMP 10H-phenothiazine-5,5-dioxide

Phenothiazine SulfoxidePhenothiazine IMP 10H-phenothiazine Sulfoxide

Methylphenothiazine SulfoxidePhenothiazine IMP 10-methyl-10H-phenothiazine Sulfoxide

Omeprazole Sulfone N-OxideOmeprazole IMP 4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-3,5-dimethylpyridine 1-oxide

4-Acetyl Omeprazole ImpurityOmeprazole IMP 2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4-yl Acetate

Omeprazole Impurity F & Impurity G MixtureOmeprazole IMP 3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3',3'-didemethylazithromycin

4-Acetyl Omeprazole Sulfone ImpurityOmeprazole IMP 2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-3,5-dimethylpyridin-4-yl acetate