Indexed on: 26 Apr '18Published on: 26 Apr '18Published in: Frontiers in chemistry
Solid-state Nuclear magnetic resonance, thermogravimetric analysis, X-ray diffraction, and Fourier-transform infrared spectroscopy were combined with theoretical calculation to investigate different crystal packings of α-cefazolin sodium obtained from three different vendors and conformational polymorphism was identified to exist in α-cefazolin sodium. Marginal differences observed among cefazolin sodium pentahydrate 1, 2, and 3 were speculated as being caused by the proportion of conformation .
Indexed on: 22 Mar '13
Published on: 22 Mar '13 in Science China. Chemistry