| abstract |
The present invention relates to an idelaris crystal form C and a preparation method thereof. Specifically, the crystal form C of the present invention has high purity, and has better thermal stability, high humidity stability, and pressure stability than 4-molecular hydrates and 0.7-molecular hydrates, and has little electrostatic interaction, and is suitable for Industrial preparation of preparations and meeting various performance requirements of preparations. In addition, the preparation process of the crystal form C of the present invention is simple, with strong operability, mild process conditions, high yield, stable quality, low cost, short production cycle, and easy realization of large-scale production. |