CAS 560080-29-7 appears in our catalog under these names: Methyl 2-[(cyanoacetyl)amino]-5,6,7,8-tetrahydro-4h-cyclohepta[b]thiophene-3-carboxylate, 95%, Methyl 2-(2-cyanoacetamido)-5,6,7,8-tetrahydro-4H-cyclohepta(b)thiophene-3-carboxylate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 1g, 5g.