(S)-Crizotinib CAS：1374356-45-2 is the S-enantiomer of crizotinib. It acts as a selective and potent MTH1 (NUDT1) inhibitor, with little activity against ALK/ROS1 kinases. It is widely used in preclinical cancer research to study DNA repair and oxidative stress, and is not approved for clinical therapy.
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