CAS NO:144222-34-4 (1R,2R)-(-)-N-(4-Toluenesulfonyl)-1,2-diphenylethylenediamine CAS RN 144222-34-4 The molecular formula C21H23N2O2S with molecular weight of 367.484 Hubei Weidely quality standard of enterprise standard The appearance of (1R,2R)-(-)-N-(4-Toluenesulfonyl)-1,2-diphenylethylenediamine as white or white crystalline powder Optical purity (1R, 2R) - (-) -N- (methyl benzene sulfonyl) phenyl ethylene diamine -1,2- two more than99% chemical purity more than 99% The specific rotation of -60 DEG and -63 DEG melting point 128-131 dry weight loss NMT 0.1% Use of (1R,2R)-(-)-N-(4-Toluenesulfonyl)-1,2-diphenylethylenediamine is widely used in asymmetric synthesis and optical resolution 25KG/ packaging paperboard barrel is valid for a period of 2 years Manufacturers of China Hubei Weidely Chemical Technology Co., Ltd. Contact widelylei@hotmail or widelylei@gmail.com