CAS 1313-99-1 appears in our catalog under these names: Nickel(II) oxide, 99% (metals basis) , Nickel(II) oxide, Puratronic|r, 99.998% (metals basis) , Nickel(II) oxide, green, Ni 78.5% , Nickel(II) oxide, black, Ni 76%, (contains Ni{2}O{3}) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 50g, 250g, 5g, 25g, 100g, 1kg.