Zhejiang Huahai Pharmaceutical Co., Ltd.

Shanghai Aobo Pharmtech, Inc., Ltd.

Handa Li

Yang Liu

Luning Huang

Hong Gu

Boyu Wang

Yinglu Jiao

Disclosed are a crystal form of brexpiprazole and a preparation method therefor. The X-ray powder diffraction pattern, which is detected with Cu&#x2014;K&#x3b1; radiation, of the crystal form of brexpiprazole has characteristic peaks at the positions where 2&#x3b8; is about 9.1&#xb1;0.2, 15.2&#xb1;0.2, 15.7&#xb1;0.2, 17.6&#xb1;0.2, 18.1&#xb1;0.2, 24.4&#xb1;0.2. The crystal form I of brexpiprazole has a high purity, good stability and good reproducibility, and is suitable for industrial production.

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Shanghai, China

Handa Li