Bosutinib (SKI-606) Bosutinib (SKI-606) Synonyms: 4-[(2,4-Dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile CAS NO.: 380843-75-4 Formula: C26H29Cl2N5O3 Weight: 530.45