A-259745 is an orally active antimitotic agent that binds to the colchicine-binding site of tubulin. A-259745 exhibits potent in vitro cytotoxic activity against both multi-drug-resistant and non-multi-drug-resistant cancer cell lines, with ED50 values of 0.018 μM against HCT-15 and 0.028 μM against NCI-H460 cell lines. A-259745 inhibits tubulin polymerization, disrupts the dynamic equilibrium of the mitotic spindle, arrests dividing cells in metaphase, and subsequently induces apoptosis. A-259745 shows dose-dependent antitumor efficacy in murine tumor models. A-259745 can be used for the study of cancer.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.