CAS 54451-24-0 appears in our catalog under these names: Lanthanum(III) carbonate hydrate, REacton|r, 99.99% (REO) , Lanthanum(III) carbonate hydrate, 99.9% (REO) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 50g, 250g, 25g, 100g, 500g.