CAS 10102-20-2 appears in our catalog under these names: Disodium Tellurite, Sodium tellurite(IV), 99.5% (metals basis) , Sodium tellurite(IV), 97% , SODIUM TELLURITE, -100 MESH, 99%. Offered by: TRC, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 10g, 1g, 50g, 250g.