CAS 13760-83-3 appears in our catalog under these names: Erbium(III) fluoride, 4N, Erbium Fluoride, Erbium fluoride anhydrous/ 99.9% (REO), Erbium fluoride anhydrous/ 99.999% (REO), Erbium fluoride, 99% 5GR. Offered by: Chemat Brand, Chemat, GLPBio, Thermo Scientific (Alfa Aesar), Fluorochem. Available pack sizes: on request, 25g, 100g, 500g, 10g, 50g, 1g, 5g.