发明名称 |
Method for the determination the purity of 5-Azacytidine |
摘要 |
<p>The present invention further provides an analytical method for determining the purity of 5-Azacytidine in a sample, said method comprising : a) providing a sample of 5-Azacytidine, b) dissolving a first part of the sample in dimethyl sulfoxide ("DMSO"), and a second part of the sample in dimethylpropyleneurea ("DMPU"), providing a first and a second sample solution, c) injecting each sample solution onto an HPLC column under the same conditions, providing a first and a second chromatogram, and d) determining the purity of 5-Azacytidine and the amount of each impurity based on both chromatograms.</p> |
申请公布号 |
EP2520581(A1) |
申请公布日期 |
2012.11.07 |
申请号 |
EP20120178644 |
申请日期 |
2009.08.06 |
申请人 |
SICOR, INC. |
发明人 |
BIGATTI, ETTORE;LUX, GIOVANNA;PAIOCCHI, MAURIZIO;GIOLITO, ANDREA;TOSI, SIMONE |
分类号 |
C07H19/12;A61K31/706;C07H1/00 |
主分类号 |
C07H19/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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