CAS 75-57-0 appears in our catalog under these names: Tetramethylammonium Chloride, >95% (HPLC), Tetramethylammonium chloride, 97% , Tetramethylammonium Chloride, >98.0%(T), Tetramethylammonium chloride, 98+%, Tetramethylammonium chloride, 98.00%. Offered by: TRC, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros), Chemat. Available pack sizes: 100g, 1000g, 5000g, 250g, 25g, 500g, 1KG, 50G.