CAS 312922-33-1 appears in our catalog under these names: Ethyl 4-amino-3-(1-naphthyl)-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxylate, 95%, Ethyl 4-amino-3-(naphthalen-1-yl)-2-thioxo-2,3-dihydrothiazole-5-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.