Article(id=1239173818007212656, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239173808419033435, articleNumber=null, orderNo=null, doi=10.16155/j.0254-1793.2024.02.12, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676044800000, receivedDateStr=2023-02-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773371660949, onlineDateStr=2026-03-13, pubDate=1709136000000, pubDateStr=2024-02-29, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773371660949, onlineIssueDateStr=2026-03-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773371660949, creator=13701087609, updateTime=1773371660949, updator=13701087609, issue=Issue{id=1239173808419033435, tenantId=1146029695717560320, journalId=1205117023404326918, year='2024', volume='44', issue='2', pageStart='185', pageEnd='372', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773371658663, creator=13701087609, updateTime=1773371757717, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239174223944536397, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239173808419033435, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239174223944536398, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239173808419033435, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=290, endPage=297, ext={EN=ArticleExt(id=1239173818275648127, articleId=1239173818007212656, tenantId=1146029695717560320, journalId=1205117023404326918, language=EN, title=Determination of three genotoxic impurities in esomeprazole sodium by HPLC, columnId=1206272757852074373, journalTitle=Chinese Journal of Pharmaceutical Analysis, columnName=Safety Monitoring, runingTitle=null, highlight=null, articleAbstract=
Objective: To establish an HPLC method for the determination of potentially genotoxic impurity E, impurity I, and 2-chloromethyl-4-methoxy-3,5-dimethlpyridine in esomeprazole sodium.
Methods: The chromatographic conditions were as follows: impurity E, YMC-Triart C18 column (250 mm×4.6 mm, 5 μm), mobile phase A 0.05 mol·L-1 monopotassium phosphate buffer, mobile phase B was acetonitrile, the gradient elution program was used at the flow rate of 1.0 mL·min-1, the detection wavelength was 302 nm and the column temperature was 30 ℃. Impurities I, Agilent Microspher C18 column (100 mm×4.6 mm, 3 μm), mobile phase A was water-phosphate buffer (pH 7.6)-acetonitrile(80∶10∶10), mobile phase B was acetonitrile-phosphate buffer (pH 7.6)-water (80∶1∶19), the flow rate was 1.0 mL·min-1, the detection wavelength was 302 nm and the column temperature was 30 ℃. 2-chloromethyl-4-methoxy-3,5-dimethlpyridine, GL Inertsil ODS-3 column (250 mm×4.6 mm, 5 μm), mobile phase A was 0.01 mol·L-1 disodium phosphate solution (pH 6.5), mobile phase B was acetonitrile, the flow rate was 1.0 mL·min-1, the detection wavelength was 265 nm and the column temperature was 30 ℃.
Results: The linear ranges of impurity E, impurity I and 2-chloromethyl-4-methoxy-3,5-dimethlpyridine were 0.025 1-0.200 7, 0.020 2-0.302 7, 0.126 6-2.110 0 μg·mL-1. The LOQ of impurity E, impurity I, 2-chloromethyl-4-methoxy-3,5-dimethlpyridine were 0.50, 0.40, 2.53 ng, and the LOD were 0.15, 0.12, 0.84 ng. The average recovery rate ranged from 96% to 104%, and the RSD was less than 2%. No potential toxic impurities were detected in the samples.
Conclusion: The method has the advantages of good repeatability, high precision, high accuracy and good linearity, and the analysis method are simple and efficient.
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目的: 建立HPLC法测定艾司奥美拉唑钠中潜在基因毒性杂质E、杂质I、2-氯甲基-3,5二甲基-4-甲氧基吡啶。
方法: 杂质E色谱条件:YMC-Triart C18色谱柱(250 mm×4.6 mm,5 μm),流动相A为0.05 mol·L-1磷酸二氢钾缓冲液,流动相B为乙腈,梯度洗脱,流速为1.0 mL·min-1,检测波长为302 nm,柱温为30 ℃;杂质I色谱条件:Agilent Microspher C18色谱柱(100 mm×4.6 mm,3 μm),流动相A为水-磷酸盐缓冲液(pH 7.6)-乙腈(80∶10∶10),流动相B为乙腈-磷酸盐缓冲液(pH 7.6)-水(80∶1∶19),梯度洗脱,流速为1.0 mL·min-1,检测波长为302 nm,柱温为30 ℃;2-氯甲基-3,5二甲基-4-甲氧基吡啶色谱条件:GL Inertsil ODS-3色谱柱(250 mm×4.6 mm,5 μm),流动相A为0.01 mol·L-1磷酸氢二钠溶液(pH 6.5),流动相B为乙腈,流速为1.0 mL·min-1,检测波长为265 nm,柱温为30 ℃。
结果: 杂质E、杂质I、2-氯甲基-3,5二甲基-4-甲氧基吡啶的线性范围分别为0.025 1~0.200 7、0.020 2~0.302 7、0.126 6~2.110 0 μg·mL-1,定量限分别为0.50、0.40、2.53 ng,检测限分别为0.15、0.12、0.84 ng。平均回收率都在96%~104%,RSD均<2%。样品中均未检出潜在毒性杂质。
结论: 该方法检测杂质的重现性好,精密度高,准确度高,线性良好,分析方法简便高效。
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Specific chromatograms, figureFileSmall=apHzfndKqdIWsNvHDF5sQQ==, figureFileBig=AJEzYV0n9Kyj4TCmgCtvFw==, tableContent=null), ArticleFig(id=1239173823866655634, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=CN, label=图1, caption=
专属性色谱图a.系统适用性溶液(system applicability solution) b.对照品溶液(reference solution) c.稀释剂2(solvent 2) d.稀释剂3(solvent 3)
, figureFileSmall=apHzfndKqdIWsNvHDF5sQQ==, figureFileBig=AJEzYV0n9Kyj4TCmgCtvFw==, tableContent=null), ArticleFig(id=1239173824072176540, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=EN, label=Tab.1, caption=
Regression equations,correlation coefficients,linear ranges,quantitation limits and detection limits of 3 impurities
, figureFileSmall=null, figureFileBig=null, tableContent=
杂质 (impurity) | 回归方程 (regression equation) | r | 线性范围 (linear range)/(μg·mL-1) | LOQ/ng | LOD/ng | 检出限度 (detection limit)*/(μg·g-1) | 进样量 (added)/mg |
|---|
| 杂质E(impurity E) | A=47.645 6C+0.158 6 | 0.999 5 | 0.025 1~0.200 7 | 0.50 | 0.15 | 3 | 0.05 |
| 杂质I(impurity I) | A=49.625C+0.173 6 | 0.999 6 | 0.020 2~0.302 7 | 0.40 | 0.12 | 1.2 | 0.1 |
2-氯甲基-3,5二甲基-4-甲氧基吡啶 (2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | A=18.191 3C+0.011 7 | 0.999 8 | 0.126 6~2.110 0 | 2.53 | 0.84 | 1.7 | 0.5 |
), ArticleFig(id=1239173824164451231, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=CN, label=表1, caption=
3个杂质的回归方程、相关系数、线性范围、检测限和定量限
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杂质 (impurity) | 回归方程 (regression equation) | r | 线性范围 (linear range)/(μg·mL-1) | LOQ/ng | LOD/ng | 检出限度 (detection limit)*/(μg·g-1) | 进样量 (added)/mg |
|---|
| 杂质E(impurity E) | A=47.645 6C+0.158 6 | 0.999 5 | 0.025 1~0.200 7 | 0.50 | 0.15 | 3 | 0.05 |
| 杂质I(impurity I) | A=49.625C+0.173 6 | 0.999 6 | 0.020 2~0.302 7 | 0.40 | 0.12 | 1.2 | 0.1 |
2-氯甲基-3,5二甲基-4-甲氧基吡啶 (2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | A=18.191 3C+0.011 7 | 0.999 8 | 0.126 6~2.110 0 | 2.53 | 0.84 | 1.7 | 0.5 |
), ArticleFig(id=1239173824252531619, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=EN, label=Tab.2, caption=
The recovery of the determination of 3 impurities
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杂质 (impurity) | 本底 (background)/μg | 加入量 (added)/μg | 测得值 (measured)/μg | 回收率 (recovery)/% | 平均回收率 (mean recovery)/% | RSD (n=9)/% |
|---|
| 杂质E(impurity E) | 0 | 0.501 7 | 0.506 9 | 101.0 | 101.2 | 0.78 |
| | 1.003 4 | 1.024 6 | 102.1 | | |
| | 1.505 2 | 1.513 8 | 100.6 | | |
| 杂质I(impurity I) | 0 | 1.153 6 | 1.196 2 | 103.7 | 102.5 | 1.1 |
| | 2.307 0 | 2.359 8 | 102.3 | | |
| | 3.460 6 | 3.508 4 | 101.4 | | |
| 2-氯甲基-3,5二甲基-4-甲氧基吡啶(2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | 0 | 5.025 4 | 4.912 3 | 97.8 | 97.7 | 0.94 |
| | 10.050 8 | 9.918 1 | 98.7 | | |
| | 15.076 2 | 14.595 3 | 96.8 | | |
), ArticleFig(id=1239173824340612009, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=CN, label=表2, caption=
3个杂质回收率试验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
杂质 (impurity) | 本底 (background)/μg | 加入量 (added)/μg | 测得值 (measured)/μg | 回收率 (recovery)/% | 平均回收率 (mean recovery)/% | RSD (n=9)/% |
|---|
| 杂质E(impurity E) | 0 | 0.501 7 | 0.506 9 | 101.0 | 101.2 | 0.78 |
| | 1.003 4 | 1.024 6 | 102.1 | | |
| | 1.505 2 | 1.513 8 | 100.6 | | |
| 杂质I(impurity I) | 0 | 1.153 6 | 1.196 2 | 103.7 | 102.5 | 1.1 |
| | 2.307 0 | 2.359 8 | 102.3 | | |
| | 3.460 6 | 3.508 4 | 101.4 | | |
| 2-氯甲基-3,5二甲基-4-甲氧基吡啶(2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | 0 | 5.025 4 | 4.912 3 | 97.8 | 97.7 | 0.94 |
| | 10.050 8 | 9.918 1 | 98.7 | | |
| | 15.076 2 | 14.595 3 | 96.8 | | |
), ArticleFig(id=1239173824445469613, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=EN, label=Tab.3, caption=
Chromatographic condition parameter
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杂质 (impurity) | 色谱参数 (chromatographic parameter) | 原条件 (primary condition) | 变动范围 (range of variation) |
|---|
| 杂质E(impurity E) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 25、35 |
| 流动相pH(pH of mobile phase) | 7.6 | 7.4、7.8 |
| 杂质I(impurity I) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 25、35 |
2-氯甲基-3,5二甲基-4-甲氧基吡啶 (2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 28、32 |
| 流动相pH(pH of mobile phase) | 6.5 | 6.4、6.6 |
), ArticleFig(id=1239173824554521521, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239173818007212656, language=CN, label=表3, caption=
耐用性色谱条件参数
, figureFileSmall=null, figureFileBig=null, tableContent=
杂质 (impurity) | 色谱参数 (chromatographic parameter) | 原条件 (primary condition) | 变动范围 (range of variation) |
|---|
| 杂质E(impurity E) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 25、35 |
| 流动相pH(pH of mobile phase) | 7.6 | 7.4、7.8 |
| 杂质I(impurity I) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 25、35 |
2-氯甲基-3,5二甲基-4-甲氧基吡啶 (2-chloromethyl-3,5-dimethyl-4-methoxypyridine) | 流速(velocity of flow)/(mL·min-1) | 1.0 | 0.9、1.1 |
| 柱温(column temperature)/℃ | 30 | 28、32 |
| 流动相pH(pH of mobile phase) | 6.5 | 6.4、6.6 |
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