CAS 4656-81-9 appears in our catalog under these names: Tetra-n-hexylammonium perchlorate , Tetrahexylammonium perchlorate, 98%, 98%. Offered by: Thermo Scientific (Alfa Aesar), Chemat. Available pack sizes: 100g, 5g, 25g, 10g, 50g, 100mg, 250mg, 1g.