CAS 124-43-6 appears in our catalog under these names: Urea hydrogen peroxide adduct, 97% , Urea hydrogen peroxide, 1 g tablets, stabilized, contains 35 wt% H2O2, UREA HYDROGEN PEROXIDE, 97%, UREA HYDROGEN PEROXIDE 97%, HYDROGEN PEROXIDE-UREA ADDUCT, POWDER, &. Offered by: Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros), Sigma-Aldrich, Roth. Available pack sizes: 25g, 100g, 500g, 1KG, 5KG, 250g, 5G.