CAS 7365-44-8 appears in our catalog under these names: TES, TES, 99% , N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid, N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic Acid [Good's buffer component for biological research], >98.0%(T), TES, 99%, for biochemistry. Offered by: TargetMol, Thermo Scientific (Alfa Aesar), Biosynth, TCI, Thermo Scientific (Acros). Available pack sizes: 500mg, 10g, 50g, 250g, 100g, 25g, 1kg, 500g.