Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Stable crystal of 1-(2′-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride
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.
Delta-Fly Pharma, Inc.
C A
C07H A61P
inventional inventional
Shotaro Takahiro
Watanabe Hatakeyama