CAS 940995-76-6 appears in our catalog under these names: Methyl 5-chloro-3-(morpholin-4-ylsulfonyl)thiophene-2-carboxylate, 95%, Methyl 5-chloro-3-(morpholinosulfonyl)thiophene-2-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.