SPL Set ID: a95ca4f4-c4de-4822-9a08-209d10bf5136
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 empirical formula is C 18 H 19 N 3 O∙HCl∙2H 2 O, representing a molecular weight of 365.9. 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 contains 5 mg of ondansetron hydrochloride dihydrate equivalent to 4 mg of ondansetron. Ondansetron oral solution contains the inactive ingredients citric acid anhydrous, purified water, sodium benzoate, sodium citrate dihydrate, strawberry flavor, and sucralose. Chemical Structure