CAS 75-59-2 appears in our catalog under these names: Tetramethylammonium hydroxide, 25% w/w in methanol , Tetramethylammonium hydroxide, 1.0 M aq. soln., ACS , Tetramethylammonium hydroxide, 2.38% w/w aq. soln., Electron, Tetramethylammonium hydroxide, 25% w/w aq. soln., Electronic, Tetramethylammonium hydroxide, 25% w/w aq. soln. . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 100g, 500g, 250ml, 1L, *4x1gal , 1gal , 25ml.