The invention provides a nafamostat
mesylate new
crystal form and a preparation method thereof, and belongs to the technical field of
medicine crystal forms. An X-
ray diffraction pattern of the new
crystal form of nafamostat
mesylate has characteristic
diffraction peaks at the following 2 theta angles: 10.56 degrees, 12.02 degrees, 14.97 degrees, 15.95 degrees, 16.27 degrees, 16.95 degrees, 17.68 degrees, 18.35 degrees, 18.71 degrees, 19.22 degrees, 19.78 degrees, 20.42 degrees, 20.84 degrees, 21.74 degrees, 21.98 degrees, 22.55 degrees, 23.09 degrees, 23.72 degrees, 24.05 degrees, 24.25 degrees, 24.88 degrees, 25.78 degrees, 26.27 degrees, 27.30 degrees, 28.01 degrees, 28.84 degrees, 29.02 degrees, 29.81 degrees, 30.60 degrees, 30.96 degrees, 32.28 degrees, 32.98 degrees, 33.39 degrees, the new crystal form of nafamostat
mesylate and the preparation method provided by the invention have the advantages of high purity, good stability, controllable process and easiness in repetition.