CAS 350996-98-4 appears in our catalog under these names: 4-Isopropyl 2-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate, 95%, 4-Isopropyl 2-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.