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    • 125. 发明公开
    • NOVEL CRYSTAL OF PIPERACILLIN SODIUM
    • NEUER KRISTALL VON PIPERACILIN-NATRIUM
    • EP2128162A1
    • 2009-12-02
    • EP08704041.6
    • 2008-01-29
    • Toyama Chemical Co., Ltd.
    • MOURI, MasaruNISHIKAWA, Dai
    • C07D499/68A61K9/14B01D9/00B01D9/02
    • C07D499/68A61K9/0019
    • Disclosed are a novel crystal of piperacillin sodium which has diffraction angles of 3.7°, 5.5°, 7.3°, 11.6°, 14.5° and 18.0° and a novel crystal of piperacillin sodium which has diffraction angles of 5.6°, 7.8°, 12.3°, 15.5°, 17.5°, 23.3°, 24.8° and 28.5° expressed by 2θ in the powder X-ray diffraction analysis. The crystals have excellent stability and solubility and a low water-absorbing property, is extremely easy to be handled in the manufacturing process for a medicinal substance and in the packing during the preparation process for a pharmaceutical product. A pharmaceutical preparation for injection comprising any one of the crystals is useful.
    • 公开了一种新颖的哌拉西林钠结晶,其衍射角为3.7°,5.5°,7.3°,11.6°,14.5°和18.0°,新颖的哌拉西林钠晶体为衍射角为5.6°,7.8°,12.3° ,15.5°,17.5°,23.3°,24.8°和28.5°,在粉末X射线衍射分析中用2?表示。 该晶体具有优异的稳定性和溶解性以及低吸水性,在药物制品的制造过程中以及在药物制备过程中的包装中极易处理。 可以使用包含任何一种晶体的用于注射的药物制剂。