CAS 6147-53-1 appears in our catalog under these names: Cobalt(II) acetate tetrahydrate, ACS, 98.0-102.0% , Cobalt(II) acetate tetrahydrate, 99.999% (metals basis) , Cobalt(II) acetate tetrahydrate, Co 24% , Cobalt(II) acetate tetrahydrate, 98% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 500g, 2g, 10g, 50g, 250g, 1kg.