Ceritinib (LDK378) Ceritinib (LDK378) Synonyms: 5-Chloro-N2-(2-isopropoxy-5-methyl-4-(piperidin-4-yl)phenyl)-N4-(2-(isopropylsulfonyl)phenyl)pyrimidine-2,4-diamine CAS NO.: 1032900-25-6 Formula: C28H36N5O3Scl Weight: 558.13514