SPL Set ID: 2086bae8-7c3c-4663-93ac-c86407c524c2
1 drug(s) with this SPL Set ID
The active ingredient in Ondansetron Oral Solution, USP is Ondansetron Hydrochloride, USP as the dihydrate, the racemic form of ondansetron and a selective blocking agent of the serotonin 5-HT 3 receptor type. Chemically it is (±) 1, 2, 3, 9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, monohydrochloride, dihydrate. It has the following structural formula: The empirical formula is C 18 H 19 N 3 O•HCl•2H 2 O, representing a molecular weight of 365.9 g/mol. Ondansetron hydrochloride dihydrate is a white to off-white powder that is soluble in water and normal saline. Each 5 mL of Ondansetron Oral Solution, USP contains 5 mg of ondansetron hydrochloride dihydrate equivalent to 4 mg of ondansetron. Ondansetron Oral Solution, USP contains the inactive ingredients citric acid anhydrous, glycerin, purified water, sodium benzoate, strawberry flavor, and sucrose. Sodium citrate maybe added for pH adjustment. Chemical Structure