CAS 661-36-9 appears in our catalog under these names: Tetramethylammonium Tetrafluoroborate, Tetramethylammonium Tetrafluoroborate, Tetramethylammonium tetrafluoroborate, 97% , Tetramethylammonium Tetrafluoroborate, >98.0%(N), Tetramethylammonium tetrafluoroborate 99%. Offered by: TRC, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed. Available pack sizes: 2,5g, 250mg, 500mg, 100g, 25g, 500g, 5g, 500 g.