ondansetron and its Impurities
an effective antiemetic agent, ondansetron is an specific and selective serotonin 5-HT3 receptor antagonist. It is used in the treatment of nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.Reference standards of Ondansetron API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Ondansetron Related Compound A (3[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4- (1478593)
Ondansetron Related Compound A (3[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4- (1478593)
Catalogue No.:PA USP1478593
CAS :
119812-29-2
Molecular Formula : NA
Molecular Weight : NA


Ondansetron Related Compound D (1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one) (1478629)
Ondansetron Related Compound D (1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one) (1478629)
Catalogue No.:PA USP1478629
CAS :
99614-64-9
Molecular Formula : NA
Molecular Weight : NA


3-(Carboxymethyl)-2-methyl-1-((9-methyl-4-oxo-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl)-1H-imidazol-3-ium Chloride
3-(Carboxymethyl)-2-methyl-1-((9-methyl-4-oxo-2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl)-1H-imidazol-3-ium Chloride
Catalogue No.:PA 15 0061012
CAS :
NA
Molecular Formula : C20H22ClN3O3
Molecular Weight : 387.86