2938875-39-7

(1R,9R)-Exatecan mesylate((1R,9R)-DX8951f) is an isomer of Exatecan mesylate (HY-13631A). Exatecan mesylate (DX8951f) is an inhibitor of DNA topoisomerase I with an IC50 of 2.2 μM (0.975 μg/mL) and can be used in cancer research[1].

Camptothecins

[1] Mitsui I, et al. A new water-soluble camptothecin derivative, DX-8951f, exhibits potent antitumor activity against human tumors in vitro and in vivo. Jpn J Cancer Res. 1995 Aug;86(8):776-82. DOI:10.1111/j.1349-7006.1995.tb02468.x