Stable crystal of 1-(2′-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride
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United States of America Patent
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Feb 19, 2013
Grant Date -
Feb 2, 2012
app pub date -
May 14, 2010
filing date -
May 15, 2009
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Abstract
Disclosed is a stable crystal of 1-(2′-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride. There is provided a crystal of 1-(2′-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride having characteristic peaks at 13.7°, 15.7°, 16.0°, 18.6°, 20.3°, and 22.7° as diffraction angles (2θ±0.1°) measured by powder X-ray diffraction, and having a melting point of 192° C. to 197° C.
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