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Topotecan hydrochloride is an antineoplastic agent used to treat ovarian cancer. It works by inhibiting dna topoisomerases, type i.
Topotecan hydrochloride is the hydrochloride salt of a semisynthetic derivative of camptothecin with antineoplastic activity. During the s phase of the cell cycle, topotecan selectively stabilizes topoisomerase i-dna covalent complexes, inhibiting religation of topoisomerase i-mediated single-strand dna breaks and producing potentially lethal double-strand dna breaks when complexes are encountered by the dna replication machinery. Camptothecin is a cytotoxic quinoline-based extracted from the asian tree camptotheca acuminata.
synonyms: topotecan monohydrochloride; topotecan hcl; skf-104864a; 9-[(dimethylamino) methyl]-10-hydroxy-(20s)-camptothecin, hcl
cas number: 119413-54-6, mol. Formula: c23h24cln3o5, mol.weight: 457.91
topotecan hydrochloride is white crystalline solid powder. It is
soluble in methanol, water (92 mgml at 25° c), dmso (92 mgml at 25° c), ethanol (