Patent ID: 8513224
Filing Date: 2013-08-20
Classification: A61P,C07C

Abstract:
1. Crystalline Polymorphic form C of Tigecycline dihydrochloride having an X-ray powder diffraction pattern having peaks at 2-theta angles of 4.7°±0.2°, 7.6°±0.2°, 9.4°±0.2°, 10.4°±0.2°, 12.7°±0.2°, 14.4°±0.2°, 15.3°±0.2°, 20.7°±0.2°, 21.5°±0.2°, 23.2°±0.2°, 25.6°±0.2°, 26.4°±0.2°.