CAS 103337-74-2 appears in our catalog under these names: 2-(2,6-Dichloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-(4-fluorophenyl)acetonitrile, 99%, 99%, Letrazuril, Letrazuril 99%, Letrazuril, 98.79%. Offered by: Chemat, TargetMol, GLPBio, Biosynth, Ambeed. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 2mg, 1mg, 10mg, 10mM (in 1ml dmso).