CAS 65899-87-8 appears in our catalog under these names: Amberlite(r) ira-67, 95%, AMBERLITE IRA 67 ION-EXCHANGE RESIN, AMBERLITE RESIN FREE BASE FORM GEL TYPE, AMBERLITE IRA-67, FREE BASE, &, AMBERLITE IRA-67, FREE BASE. Offered by: Combi-blocks, Sigma-Aldrich, Chemat. Available pack sizes: 5g, 100g, 25g, 1KG, 500G, 250G, 2.5kg.