CAS 2223677-63-0 appears in our catalog under these names: 2-Chloro-afatinib, (S,E)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide (Afatinib Impurity), 95%, 95%, Afatinib impurity 31, 99.14%, (S,E)-N-(4-((3,4-DICHLOROPHENYL)AMINO)-7-((TETRAHYDROFURAN-3-YL)OXY)QUINAZOLIN-6-YL)-4-(DIMETHYLAMINO)BUT-2-ENAMIDE, 95%. Offered by: Biosynth, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 5mg, 25mg, 10mg, 50mg, 5 mg, 10 mg, 25 mg, 50 mg.