CAS 598-62-9 appears in our catalog under these names: Manganese(II) carbonate, Puratronic|r, 99.985% (metals basis, Manganese(II) carbonate, Mn 44% min , Manganese(II) carbonate, 99.9% (metals basis excluding Na) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 500g, 2kg, 250g, 1kg.