CAS 7789-20-0 appears in our catalog under these names: Deuterium oxide, 98%, Deuterium oxide, 99.95+% (Isotopic) , Deuterium oxide, 99.8% (Isotopic) , Deuterium oxide 99,95 atom % D, Deuterium oxide 99,98 atom % D. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Deutero, TCI, Thermo Scientific (Acros). Available pack sizes: 25g, 100g, 1g, 5g, 10each, 2each, 50g, 250g.