CAS 67478-50-6 appears in our catalog under these names: 2-Formyl-1-trityl-1H-imidazole, 98%, Medetomidine Impurity 39, 1-Trityl-1H-imidazole-2-carboxaldehyde, 1-Trityl-1H-imidazole-2-carbaldehyde 98%, 1-Trityl-1H-imidazole-2-carbaldehyde, 97%, 97%. Offered by: Combi-blocks, Chemat Brand, Biosynth, Ambeed, Chemat. Available pack sizes: 10g, 5g, 25g, 1g, on request, 2,5g, 250mg, 100mg.