CAS 667412-92-2 appears in our catalog under these names: 4-Cyano-5-(2-cyanoacetamido)-N,N,3-trimethylthiophene-2-carboxamide, 97%, 4-Cyano-5-[(cyanoacetyl)amino]-n,n,3-trimethylthiophene-2-carboxamide, 95%. Offered by: AmBeed, Combi-blocks. Available pack sizes: 5g, 250mg, 1g.