CAS 1040882-09-4 appears in our catalog under these names: 4-Methyl-2-([(1-propionyl-2,3-dihydro-1h-indol-5-yl)sulfonyl]amino)pentanoic acid, 95%, 4-MEthyl-2-(((1-propionyl-2,3-dihydro-1h-indol-5-yl)sulfonyl)amino)pentanoic acid, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.