Crystal form of Daprodustat, preparation method therefor and use thereof
AssigneeShenzhen Jingtai Technology Co., Ltd.
InventorsGuobin Ren, Weijie Ji, Dongxu Yi, Jiajun Huang
Life of this patent
Estimating the term…
Abstract
Disclosed is crystal form M of the proline hydroxylase inhibitor daprodustat, wherein the X-ray powder diffraction thereof, expressed in 2θ angles and using Cu-Ka radiation, has characteristic peaks at 4.7±0.2°, 6.5±0.2°, and 6.8±0.2°. Disclosed are the preparation method for and the use of crystal form M. The crystal form M has good light stability, high temperature stability and high humidity stability, good solubility, and high purity.
Claims18
A crystal form of daprodustat, wherein an X-ray powder diffraction of the crystal form using Cu-Kα radiation has characteristic peaks at 2θ angles of 4.7±0.2°, 6.5±0.2° and 6.8±0.2°.
Dependencies are inferred from the claim text.