Potent Cdk4/6 inhibitor (IC50 values are 11 and 15nm for Cdk4 and Cdk6 respectively). Selective for Cdk4/6 over a panel of 34 additional protein kinases (IC50 values are > 10um). Induces G1 cell cycle arrest and senescence in retinoblastoma protein (Rb)-proficient cell lines; blocks growth of intracranial glioblastoma multiforme xenografts in mice. Brain penetrant.Sequence:C24H29N7O2.C2H6O4SSolubility:DMSO (~10mM), H2O (~100mM) Molecular Weight:~573.66Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.