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Systematic (IUPAC) name
Clinical data
Legal status
CAS number 93908-02-2 N
ATC code None
PubChem CID 73110
ChemSpider 65891 YesY
ChEBI CHEBI:135511 YesY
Synonyms 7,10-dichloro-8-(3,4-dihydroxy-6-(hydroxymethyl)-5-methoxytetrahydro-2H-pyran-2-yl)-8,9-dihydro-1H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-1,3(2H)-dione
Chemical data
Formula C27H21Cl2N3O7 
Mol. mass 570.38
 N (what is this?)  (verify)

Rebeccamycin is a weak topoisomerase I inhibitor isolated from Streptomyces sp. It is structurally similar to staurosporine, but does not show any inhibitory activity against protein kinases. It shows significant antitumor properties in vitro (IC50=480nM against mouse B16 melanoma cells and IC50=500nM against P388 leukemia cells).


  • Production and biological activity of rebeccamycin, a novel antitumor agent: J.A. Bush, et al.; J. Antibiot. (Tokyo) 40, 668 (1987)
  • Syntheses and biological activities (topoisomerase inhibition and antitumor and antimicrobial properties) of rebeccamycin analogues bearing modified sugar moieties and substituted on the imide nitrogen with a methyl group F. Anizon, et al.; J. Med. Chem. 40, 3456 (1997)
  • DNA cleavage by topoisomerase I in the presence of indolocarbazole derivatives of rebeccamycin: C. Bailly, et al.; Biochemistry 36, 3917 (1997)
  • Calories from carbohydrates: energetic contribution of the carbohydrate moiety of rebeccamycin to DNA binding and the effect of its orientation on topoisomerase I inhibition: C. Bailly, et al.; Chem. Biol. 6, 277 (1999)