CAS 743424-37-5 appears in our catalog under these names: Ethyl 5-([(4-methoxyphenyl)amino]carbonyl)-1,3,4-thiadiazole-2-carboxylate, 95%, Ethyl 5-((4-methoxyphenyl)carbamoyl)-1,3,4-thiadiazole-2-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.