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9-amino Camptothecin topoisomerase I inhibitor

Catalog No.C5790
Size Price Stock Qty
5mg
$124.00
In stock
10mg
$165.00
In stock
25mg
$344.00
In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

9-amino Camptothecin

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Chemical Properties

Cas No. 91421-43-1 SDF Download SDF
Synonyms NSC 603071
Chemical Name (4S)-10-amino-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
Canonical SMILES O=C([[email protected]@]1(CC)O)OCC2=C1C=C(C(N=C(C=CC=C3N)C3=C4)=C4C5)N5C2=O
Formula C20H17N3O4 M.Wt 363.4
Solubility Soluble in DMSO Storage Store at -20°C
Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.

Background

9-amino Camptothecin is a topoisomerase I inhibitor [1][2].

DNA topoisomerases relax DNA torsional strain generated during replication, transcription, recombination, repair, and chromosome condensation. The relaxation of DNA supercoiling by topoisomerase I is enabled by a mechanism of controlled rotation around a transient DNA single-strand break. Camptothecin (CPT) is isolated from the bark of the Chinese tree Camptotheca accuminata [3].

9-amino Camptothecin, a water-soluble camptothecin analogue, is a topoisomerase I inhibitor. In human HT-29 colon adenocarcinoma, 9-amino Camptothecin (9-AC) exhibited cytotoxicity with IC50 value of 19 nM. 9-AC also induced DNA damage in whole cells and nuclei at a concenstration of 85 nM and 21 nM, respectively [1].

9-amino Camptothecin had greater activity than camptothecin against human tumour xenografts, including Lewis lung carcinoma and B16 melanoma. 9-AC had entered phase II trials. In patients with advanced solid tumours, 9-amino Camptothecin exhibited anti-tumor activity [1][2].

References:
[1].  Rothenberg, M.L. Topoisomerase I inhibitors: Review and update. Annals of Oncology 8(9), 837-855 (1997).
[2].  Dancey J, Eisenhauer EA. Current perspectives on camptothecins in cancer treatment. Br J Cancer. 1996 Aug;74(3):327-38.
[3].  Drwal MN1, Agama K, Wakelin LP, et al. Exploring DNA topoisomerase I ligand space in search of novel anticancer agents. PLoS One. 2011;6(9):e25150.