CAS 1313-13-9 appears in our catalog under these names: Manganese(IV) oxide, Puratronic«, 99.996% (metals basis) , Manganese(IV) oxide, 97% , Manganese(IV) oxide, activated, tech., Mn 58% min , Manganese(IV) oxide, 99.9% (metals basis) , Manganese(IV) oxide activated, tech. 90% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 10g, 2500g, 500g, 10kg, 250g.