Patent ID: 8541405
Filing Date: 2013-09-24
Classification: A61P,C07D

Abstract:
1. A form I crystal of Ivabradine sulfate of formula (I), the crystal being characterized in that using CuKα radiation to obtain X-ray diffraction patterns represented by 2θ angles and interplanar crystal spacing (d value), the obtained X-ray diffraction patterns comprise characteristic peaks at 4.76 (18.55), 14.18 (6.24), 16.14 (5.49), 16.94 (5.23), 18.1 (4.88), 19.12 (4.64), 20.04 (4.43), 20.42 (4.35), 21.70 (4.09), 22.56 (3.94), and 23.80 (3.74).