SPL Set ID: b23b46f5-c276-47f5-8bbd-940680b3f579
1 drug(s) with this SPL Set ID
Topotecan is a topoisomerase inhibitor. The chemical name for topotecan hydrochloride is ( S )-10-[(dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1 H -pyrano[3',4':6,7] indolizino [1,2- b ]quinoline-3,14-(4 H ,12 H )-dione monohydrochloride. The molecular formula is C 23 H 23 N 3 O 5 •HCl and the molecular weight is 457.9 g/mol. It is soluble in water and melts with decomposition at 213°C to 218°C. Topotecan hydrochloride has the following structural formula: HYCAMTIN capsules, contain topotecan hydrochloride, the content of which is expressed as topotecan free base. Each 0.25 mg and 1 mg capsule contain topotecan hydrochloride equivalent to 0.25 mg and 1 mg topotecan free-base, respectively. The excipients are gelatin, glyceryl monostearate, hydrogenated vegetable oil, and titanium dioxide. The capsules are imprinted with edible black ink. The 1 mg capsules also contain red iron oxide. topotecan hydrochloride chemical structure