The chemical Granisetron hydrochloride has a designated molecular formula of C18H25ClN4O and a molecular weight of 348.875 g/mol. Synonyms may include: BRL 43694A, endo-1-Methyl-N-(9-methyl-9-azabicyclo(3.3.1)non-3-yl)-1H-indazole-3-carboxamide hydrochloride, Kytril, Granisetron hydrochloride preservative free, Granisetron HCl, UNII-318F6L70J8, Granisol (ChemID). Granisetron hydrochloride has been assigned a MeSH pharmacological action of: Serotonin Antagonist.