CAS 350990-39-5 appears in our catalog under these names: Methyl 2-amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxylate, 95%, Methyl 2-amino-4-(4-(tert-butyl)phenyl)-5-methylthiophene-3-carboxylate, 97%, 2-Amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxylic acid methyl ester, 97%. Offered by: Combi-blocks, AmBeed, Fluorochem. Available pack sizes: 250mg, 1g, 5g.