CAS 15280-57-6 appears in our catalog under these names: Erbium(iii) acetate tetrahydrate, 95%, Erbium(III) acetate tetrahydrate, Erbium acetate hydrate/ 99.9% (REO), Erbium acetate hydrate/ 99.999% (REO), Erbium(III) acetate tetrahydrate, REacton|r, 99.9% (REO) . Offered by: Combi-blocks, GLPBio, Chemat, Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 500g, 50g, 5g.