CAS 903185-31-9 appears in our catalog under these names: 3-[2-(1,3-Dimethyl-2-oxo-2,3-dihydro-1h-benzimidazol-5-yl)-2-oxoethyl]-1,3-benzoxazol-2(3h)-one, 95%, 3-(2-(1,3-Dimethyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-oxoethyl)-1,3-benzoxazol-2(3H)-one. Offered by: Combi-blocks, Biosynth. Available pack sizes: 1g, 5g, 250mg, 100mg, 500mg, 1000mg.