CAS 7446-08-4 appears in our catalog under these names: Selenium(IV) oxide, min. 99,5 %, p.a., 1 kg, plastic, Selenium (IV) oxide, 99.999 %, Selenium(IV) Oxide, Selenium oxide/ 99.8% (EVE/EUD), Selenium oxide/ 99.9% (EVE/EUD). Offered by: Roth, Chemat Brand, TRC, Chemat, Thermo Scientific (Alfa Aesar). Available pack sizes: 1kg, on request, 50g, 100g, 500g, 25g, 10g, 5g.