CAS 11139-85-8 appears in our catalog under these names: Chelex 100, CHELEX 100 SODIUM FORM 50-100 MESH (DR, CHELEX# 100 SODIUM FORM 50-100 MESH (DR&, CHELEX(R) 100, 100-200 MESH, CHELEX(R) 100, 200-400 MESH. Offered by: Biosynth, Sigma-Aldrich. Available pack sizes: 10g, 5g, 25g, 100g, 50g, 500G.