CAS 1308-06-1 appears in our catalog under these names: Cobalt(II,III) oxide, Puratronic½, 99.9985% (metals basis) , Cobalt(II,III) oxide, 99.7% (metals basis) , Cobalt(II,III) oxide, nanopowder, 99% (metals basis) , Cobalt(II,III) oxide . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 50g, 25g, 100g, 500g, 2.5kg, 1000g, 250g.