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US 11,634,388 B2Granted
Crystal form of lenvatinib mesylate and preparation method therefor
AssigneeChengdu Easton Biopharmaceuticals Co., Ltd.
InventorsYing Wang, Xuehai Pang, Haijian Huo, Xiaochao Xian, Huike Gu
Life of this patent
Estimating the term…
Abstract
A new crystal form of lenvatinib mesylate, a preparation method thereof and a use thereof in the preparation of a drug for treating cancer.
Claims6
Crystal form X of a mesylate of a compound of formula (I), wherein an X-ray powder diffraction spectrum thereof has characteristic peaks at 2 theta values of 22.84°±0.2°, 20.16°±0.2°, 9.46°±0.2°, 14.52°±0.2°, 24.86°±0.2°, 18.92°±0.2°, 26.82°±0.2°, 8.68°±0.2°, 10.32°±0.2°:
Dependencies are inferred from the claim text.