BAY 1217389 is a potent, and selective inhibitor of the monopolar spindle 1 (MPS1) kinase with an IC₅₀ value less than 10 nM.

>98%

Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

BAY1217389

DMSO ：93 mg/mL (165.6 mM)

Mps1

In biochemical assays, the IC50 value of BAY 1217389 is 0.63±0.27 nmol/L. It shows high selectivity against other kinases and found to bind to PDGFRβ (300 nmol/L).

In vivo, BAY 1217389 achieves moderate efficacy in monotherapy in tumor xenograft studies. Its blood clearance is found to be low in the tested species. Vss is high and terminal half-lives were long. BAY 1217389 is administered orally to female NMRI mouse (1 mg/kg) and male Wistar rat (0.5 mg/kg). Peak plasma concentrations are observed between 1.5 and 7 hours. Oral bioavailability is high in rat and moderate in mouse.