V-11-0711 is a potent and selective Chk-α (IC50 = 20 nM) inhibitor. V-11-0711 can significantly reduce PCho levels. V-11-0711 causes a reversible growth arrest. V-11-0711 induces apoptosis at high concentrations. V-11-0711 can be used for the study of cervical cancer and triple-negative breast cancer[1][2].