A-1592668 (A 1592668) is a novel potent, CDK9-selective inhibitor with IC50 of 1.2 nM, >1000 fold selectivity over CDK1/2/7/8; A-1592668 also displays selectivity of ~12- and 240-fold over CDK4 and CDK6 respectively. A-1467729 inhibited phosphorylation of RNA pol-II (p-RNA pol-II; Ser2) with a potency of 26.7 nM at the cellular level, inhibited MCL-1 dependent hematologic tumor cell lines H929 (IC50=39 nM) and MV4-11 (IC50=42.4 nM) following 24 h of incubation.

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.