CAS 89211-36-9 appears in our catalog under these names: 3-(Ethylsulfonyl)propanoic acid, 98%, 3-(Ethylsulfonyl)propanoic acid 98%, 3-(Ethylsulfonyl)propanoic acid, 95%, 95%. Offered by: Combi-blocks, AmBeed, Chemat. Available pack sizes: 250mg, 10g, 5g, 1g, 100mg.