CAS 1313-13-9 appears in our catalog under these names: Manganese (IV) oxide, 99.996 %, Manganese(IV) Oxide, Manganese(IV) oxide/ 99.9%, Manganese(IV) oxide, Puratronic«, 99.996% (metals basis) , Manganese(IV) oxide, 97% . Offered by: Chemat Brand, TRC, Chemat, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: on request, 100g, 250g, 25g, 50g, 5g, 10g, 2500g.