CAS 356568-69-9 appears in our catalog under these names: 2-Ethyl 4-methyl 5-[(chloroacetyl)amino]-3-methylthiophene-2,4-dicarboxylate, 95%, 2-Ethyl 4-methyl 5-(2-chloroacetamido)-3-methylthiophene-2,4-dicarboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g, 250mg.