CAS 350990-40-8 appears in our catalog under these names: Methyl 2-amino-4-(4-isobutylphenyl)thiophene-3-carboxylate, 95%, Methyl 2-amino-4-(4-isobutylphenyl)thiophene-3-carboxylate, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.