SPL Set ID: 1b406d22-f1bf-460d-e063-6294a90a6b6f
1 drug(s) with this SPL Set ID
The active ingredient in ondansetron oral solution, USP is ondansetron hydrochloride 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 molecular 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 USP 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 USP equivalent to 4 mg of ondansetron. Ondansetron oral solution, USP contains the inactive ingredients sucrose, glycerin, citric acid anhydrous, sodium citrate, sodium benzoate, edetate disodium, and liquid strawberry flavor. Chemical Structure