CAS 956576-58-2 appears in our catalog under these names: Methyl 5-[(diethylamino)carbonyl]-2-isothiocyanato-4-methylthiophene-3-carboxylate, 95%, Methyl 5-((diethylamino)carbonyl)-2-isothiocyanato-4-methylthiophene-3-carboxylate, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.