CAS 584-08-7 appears in our catalog under these names: Potassium carbonate, Puratronic|r, 99.997% (metals basis) , Potassium carbonate, ACS, 99.0% min , Potassium carbonate, anhydrous, 99% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 500g, 1kg, 5kg, 10000g, 2500g.