Patent ID: 7241782

Claim:
Polymorph V of torasemide characterized by the following data: DSC: exothermic maximum at about 157.59° C. (onset at about 150.74° C.) with the heating rate of 10° C./min; X-ray powder pattern (2 Θ): 5.610; 6.130; 7.480; 7.970; 9.310; 9.615; 10.835; 11.020; 12.340; 13.075; 13.460; 13.920; 14.200; 15.090; 16.080; 16.710; 17.445; 17.720; 18.460; 18.850; 19.825; 20.340; 20.990; 21.980; 22.075; 22.630; 22.935; 23.410; 23.845; 24.880; 25.560; 26.035; 27.285; 27.540; 28.170; 28.645; 29.350; 29.975; 30.575; 31.265; 32.300; 34.050; 35.650; 36.375; 37.100, and 38.145; IR-characteristic absorption bands at 2671 to 3327 and at 1468 to 1705 cm −1 .