CAS 1185-53-1 appears in our catalog under these names: Tris hydrochloride, DNase RNase protease free, electrophoresis tested , Tris Hydrochloride, >95% (HPLC), Trometamol hydrochloride/ 99.39% (existing batch purity), TRIS hydrochloride, Tris(hydroxymethyl)aminomethane hydrochloride, 99+% . Offered by: Thermo Scientific (Fisher), TRC, TargetMol, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 1KG, 100g, 50g, 500mg, 500g, 1000g, 250g, 100ml.