CAS 13826-86-3 appears in our catalog under these names: Nitronium tetrafluoroborate, 90% , Nitronium tetrafluoroborate, 96% , Nitronium tetrafluoroborate, 0.3 to 0.5M soln. in sulfolane . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 25ml, 200ml.