CAS 6018-89-9 appears in our catalog under these names: Nickel(II) acetate tetrahydrate, Puratronic½, 99.999% (meta , Nickel(II) acetate tetrahydrate, 98+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 2500g, 100g, 500g.