CAS 7790-58-1 appears in our catalog under these names: Potassium tellurite, 95.00%, Potassium tellurite 99.9%, POTASSIUM TELLURITE SOLUTION, PGE WITH, POTASSIUM TELLURITE HYDRATE, >=95.0% &. Offered by: Chemat, Ambeed, Sigma-Aldrich. Available pack sizes: 10g, 25g, 5g, 100g, 500g, 10X10ML, 50G.