(1R,2R)-(-)-N-(4-Toluenesulphonyl)-1,2-diphenylethylenediamine | CAS 144222-34-4 CAS 144222-34-4 Molecular Formula C21H22N2O2S Molecular Weight (amu) 366.48 Arran Reference RTSDPEN Availability Manufactured on request High quality EU bulk manufacturer of diphenylethylenediamine (and its three stereoisomers) deployed in pharma and fine chemical applications. Test Specification Purity (HPLC) Not less than 99.0% Enantiomeric excess (HPLC) Not less than 99.0% Make an enquiry about this product