CAS 623-76-7 appears in our catalog under these names: 1,3-Diethylurea, 1,3–Diethylurea, N,N'-Diethylurea, 97% , 1,3-Diethylurea, >98.0%(GC)(N), 1,3-Diethylurea 97%. Offered by: TRC, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed. Available pack sizes: 100mg, 250mg, 500mg, 100g, 25g, 500g, 5g, 10g.