CAS 6629-04-5 appears in our catalog under these names: N-Cyanoacetylurethane, min. 95 %, 5 g, N-Cyanoacetylurethane, N-Cyanoacetylurethane 95%, N-CYANOACETYLURETHANE, 98%, Ethyl (2-cyanoacetyl)carbamate, 98%, 98%. Offered by: Roth, TRC, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 5g, 10g, 25g, 1000g, 1g, 100g, 500g, 50g.