Ondansetron hydrochloride dihydrate

CAS Registry No. 99614-02-5 (ondansetron), 116002-70-1 (ondansetron), 99614-01-4 (ondansetron hydrochloride dihydrate), 103639-04-9 (ondansetron hydrochloride dihydrate)... 

Ondansetron has been described as the free base, hydrochloride salt and hydrochloride dihydrate and is available in a variety of formulations. These include hydrochloride tablets (4 and 8 mg) and solutions for injection (2 mg/ mL), oral lyophilisates (4 and 8 mg), sugar-free syrup (4 mg/5 mL as hydrochloride) and suppositories (16 mg). Alosetron hydrochloride tablets (0.5 and 1 mg) are most commonly obtainable. Tropisetron is also available as the hydrochloride salt and comes either as capsules (5 mg) or as a solution for injection at 1 mg/mL. Dolasetron mesilate products are formulated as film-coated tablets (50 and 200 mg) and 20 mg/mL solution for injection. Granisetron is also available as the hydrochloride salt and appears as film-coated tablets (1 and 2 mg) and 1 mg/mL solution for injection and dilution. 

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