CAS 351981-99-2 appears in our catalog under these names: Isopropyl 2-amino-6-ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate, 95%, Isopropyl 2-amino-6-ethyl-4,5,6,7-tetrahydrobenzo(b)thiophene-3-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.