CAS 948015-50-7 appears in our catalog under these names: 5-Chloro-3-(morpholin-4-ylsulfonyl)thiophene-2-carboxylic acid, 95%, 5-Chloro-3-(morpholinosulfonyl)thiophene-2-carboxylic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.