CAS 58520-04-0: (1R,2R)-1,2-bis(4-methoxy phenyl) ethane-1,2-diamine

(1S,2S)-1,2-Di(4-Methoxyphenyl)-1,2-Diaminoethane

(1S,2S)-Bis(4-methoxyphenyl)-1,2-ethanediamine is a chiral molecule with a molecular weight of 182.12 g/mol and an empirical formula of C13H14N2O3S. It has an x-ray diffraction pattern with peaks at the following positions: 2.0-2.5, 3.8-4.0, 5.7-6.0, 7.9-8.0, and 12.5 degrees 2θ (degrees 2θ). The x-ray diffraction pattern indicates that this molecule has three crystalline forms: form A (space group P212121), form B (space group P21/c) and form C (space group P21/n). Form A is the most stable crystal structure of all three forms with a melting point of about 151°C to about 152°C and a boiling point of about