CAS 13709-38-1 appears in our catalog under these names: Lanthanum(III) fluoride, anhydrous, 99.9% (REO) , Lanthanum(III) fluoride, anhydrous, REacton|r, 99.99% (REO) , Lanthanum(III) fluoride, anhydrous, REacton|r, 99.9% (REO) , Lanthanum(III) fluoride, 99% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 50g, 250g, 25g, 100g.