CAS 2254339-13-2 appears in our catalog under these names: Methyl 1-boc-3-methyl-2-oxo-2,3-dihydro-1h-imidazole-4-carboxylate, 95%, 1-(tert-Butyl) 4-methyl 3-methyl-2-oxo-2,3-dihydro-1H-imidazole-1,4-dicarboxylate, 98%, Methyl 1-Boc-3-methyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylate, ≥98%, ≥98%. Offered by: Combi-blocks, AmBeed, Chemat. Available pack sizes: 5g, 250mg, 1g.