CAS 885457-79-4 appears in our catalog under these names: 1,5-Diamino-4-(1h-benzoimidazol-2-yl)-1,2-dihydro-pyrrol-3-one, 95%, 1,5-Diamino-4-(1H-benzo(d)imidazol-2-yl)-1H-pyrrol-3(2H)-one, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 100mg, 1g, 250mg, 5g, 10g.