Dual PI 3-K and DNA-PK inhibitor (IC50 values are <0.1, 0.5, 4 and 19 nM for PI 3-Kdelta, PI 3-Kbeta, PI 3-Kalpha and DNA-PK respectively). Inhibits proliferation of MCF7 cells in vitro and delays growth of MCF7 xenografts in mice. Also enhances CRISPR-Cas9-mediated homology- directed repair (HDR) efficiency, and attenuates nonhomologous end-joining (NHEJ).Formula:C33H34N4O4SSolubility:Soluble to 100mM in 2eq.HClMolecular Weight:582.71Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.