Identification of related substances in apixaban tablets by UHPLC-Q-Orbitrap/MS
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摘要:
采用超高效液相色谱-四极杆-静电场轨道阱高分辨质谱(UHPLC-Q-Orbitrap/MS)技术研究阿哌沙班片中的有关物质。采用Waters Xbridge C18(250 mm×4.6 mm,5 μm)色谱柱,以30 mmol/L醋酸铵缓冲液(pH4.50)-乙腈为流动相梯度洗脱,对阿哌沙班片有关物质进行分离;电喷雾正离子化-四极杆-静电场轨道阱串联质谱法测定各有关物质的母离子及碎片离子的准确质荷比和元素组成,并解析鉴定有关物质的结构。在所建立的条件下,阿哌沙班与其有关物质分离良好,检测并鉴定出阿哌沙班片及其强制降解试验样品中30个主要有关物质,其中11个为已知杂质,其余19个为新鉴定的未知有关物质。研究结果可为阿哌沙班的生产工艺控制和质量保障提供参考依据。
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关键词:
- 阿哌沙班 /
- 有关物质 /
- 结构鉴定 /
- UHPLC-Q-Orbitrap/MS
Abstract:A UHPLC-Q-Orbitrap/MS method was developed to identify the related substances in apixaban tablets. Complete separation was accomplished with a Waters Xbridge C18 (250 mm×4.6 mm, 5 μm) column by linear gradient elution using a mobile phase consisting of 30 mmol/L ammonium acetate buffer solution (pH 4.50) and acetonitrile. The related substances were successfully characterized through the accurate mass and elemental composition of the parent ions and their product ions determined by electrospray positive ionization high-resolution Q-Orbitrap/MS methods. Under the established analytical condition, apixaban and its related substances were well separated, and 30 related substances were detected and identified by hyphenated techniques in apixaban tablets and their stressed samples. Among them, 11 were known impurities and the rest 19 were unknown related substances identified for the first time in this study. The results obtained are valuable for apixaban manufacturing process optimization and quality control.
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Keywords:
- apixaban /
- related substances /
- structural identification /
- UHPLC-Q-Orbitrap/MS
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Table 1 Related substances identified in apixaban tablets and its stressed samples by UHPLC-Q-Orbitrap/MS
No. tR/min Parent ion(m/z) Ion formula Dif.(×10-6) Product ions(m/z) Origins 1 4.957 354.15570 C18H20N5O3+ −1.03 337.13354 ,309.13425 ,281.12778 ,253.13300 ,217.09698 ,203.11769 ,191.11775 ,130.06525 ,93.04529 ,79.01844 Dr 2 5.695 478.20804 C25H28N5O5+ −0.96 461.18130 ,417.19214 ,288.09775 ,271.07101 ,244.10800 ,215.08163 ,199.08658 ,184.06310 Dr 3 5.872 287.11365 C14H15N4O3+ −0.76 270.08600 ,242.09224 ,227.06659 ,215.08138 ,199.08670 ,184.06326 ,172.06281 ,125.05952 ,95.04979 Dr 4 7.283 479.19235 C25H27N4O6+ −0.33 461.18173 ,435.20178 ,417.15460 ,405.15543 ,373.16574 ,361.16571 ,238.09680 ,199.08669 ,184.06293 Dr 5/A 7.993 479.19217 C25H27N4O6+ −0.71 461.18179 ,435.20258 ,417.15460 ,405.15564 ,379.14029 ,373.16577 ,361.16562 ,330.14725 ,238.09718 ,199.08675 ,184.06303 Pr/Dr 6/B 8.658 461.18112 C25H25N4O5+ −1.79 443.16852 ,417.19180 ,374.17343 ,282.12360 ,241.06036 ,199.08653 ,184.06300 ,144.06816 Pr/Dr 7/C 9.222 446.18121 C24H24N5O4+ −2.39 429.15308 ,401.16098 ,282.12350 ,227.04492 ,185.07085 ,171.05521 ,121.03982 Pr/Dr 8 10.022 560.25038 C30H34N5O6+ 0.03 505.21857 ,487.20856 ,470.18341 ,416.17093 ,387.18143 ,348.12958 ,254.12752 ,199.08675 ,82.06573 Pr 9 11.188 458.18210 C25H24N5O4+ −0.40 430.18930 ,268.07141 ,242.09233 ,227.06895 ,199.07393 ,109.04006 Pr 10 11.327 476.19275 C25H26N5O5+ −0.20 459.16357 ,430.18747 ,413.16397 ,371.15039 ,298.11911 ,252.11378 ,241.06096 ,224.11874 ,199.08667 ,185.07103 ,173.10721 ,135.05548 ,125.05988 ,95.04975 Pr 11/D 11.527 477.22354 C25H29N6O4+ −1.97 460.19757 ,432.20313 ,416.17123 ,404.17154 ,299.15009 ,282.12308 ,238.09738 ,219.13611 ,199.08649 ,185.07111 ,130.06505 ,100.07608 Pr 12 11.902 492.18680 C25H26N5O6+ −1.95 475.16025 ,447.19019 ,418.15030 ,404.13452 ,377.14792 ,241.06052 ,199.08667 ,185.07072 Dr 13 12.400 515.20319 C27H27N6O5+ −1.08 488.19284 ,404.17267 ,309.13464 ,241.06091 ,199.08658 ,185.07127 ,125.06004 ,84.04510 Pr 14 13.348 492.18741 C25H26N5O6+ −0.71 475.16023 ,447.19057 ,418.15032 ,404.13442 ,377.14790 ,241.06049 ,199.08659 ,185.07112 Dr 15 13.825 492.18732 C25H26N5O6+ −0.90 475.16064 ,447.19012 ,418.15032 ,404.13452 ,377.14788 ,241.06052 ,199.08647 ,185.07079 Dr 16 13.897 430.18738 C24H24N5O3+ 0.03 413.15930 ,385.16495 ,357.17020 ,282.12396 ,254.12938 ,211.05048 ,169.07608 ,155.06036 ,105.04514 ,95.04968 Pr 17/E 14.178 478.20786 C25H28N5O5+ −1.34 460.19757 ,432.20282 ,416.17139 ,404.17142 ,399.14438 ,377.14865 ,333.13385 ,300.13397 ,238.09715 ,199.08658 ,185.07085 ,101.06010 Pr/Dr API 14.723 460.19699 C25H26N5O4+ −2.04 443.16870 ,415.17426 ,374.17432 ,282.12344 ,241.06059 ,199.08643 ,185.07082 ,135.05528 ,95.04959 − 18/F 15.263 458.18124 C25H24N5O4+ −2.26 441.15524 ,415.17575 ,385.16565 ,372.15762 ,341.13919 ,318.08701 ,277.10870 ,249.11378 ,221.08209 Pr 19 16.295 507.19867 C25H27N6O6+ 0.02 477.20041 ,404.17062 ,390.15579 ,373.12817 ,241.06075 ,199.08659 ,185.07086 ,95.04922 Dr 20 16.297 460.19754 C25H26N5O4+ −0.85 443.16888 ,415.17413 ,374.17529 ,282.12350 ,241.06078 ,199.08655 ,185.07097 ,135.05547 ,95.04964 Pr 21/G 17.203 474.21265 C26H28N5O4+ −1.97 457.18423 ,429.19089 ,296.13904 ,241.06065 ,199.08646 ,185.07086 ,156.06802 ,125.05978 ,95.04958 Pr 22 18.140 474.21304 C26H28N5O4+ −1.13 457.18332 ,429.19083 ,296.13912 ,241.06070 ,199.08650 ,185.07088 ,156.06813 ,125.05976 ,95.04971 Pr 23/H 18.470 474.21252 C26H28N5O4+ −2.23 457.18393 ,429.19186 ,296.13913 ,241.06062 ,199.08644 ,185.07079 ,156.06807 ,125.05978 ,95.04958 Pr 24 18.692 474.21338 C26H28N5O4+ −0.43 457.18344 ,429.18976 ,296.13916 ,241.06065 ,199.08646 ,185.07080 ,156.06816 ,125.05990 ,95.04955 Pr 25/I 18.790 464.14771 C24H23ClN5O3+ −1.48 447.12000 ,419.12436 ,282.12338 ,245.01115 ,203.03696 ,189.02141 ,168.06822 ,139.00574 Pr 26 19.500 512.16968 C25H27ClN5O5+ 0.30 494.15887 ,466.16422 ,450.13263 ,414.15585 ,391.13983 ,334.09528 ,272.05835 ,225.06609 ,199.08661 ,185.07097 ,101.06019 Dr 27/K 21.378 475.19714 C26H27N4O5+ −0.95 461.18185 ,443.16876 ,415.17664 ,282.12375 ,241.06076 ,199.08664 ,185.07101 ,172.07568 ,135.05542 ,125.05988 ,95.04966 Pr 28 21.835 546.13098 C25H26Cl2N5O5+ 0.79 528.12018 ,500.12521 ,484.09381 ,446.07825 ,389.08011 ,268.00394 ,225.06563 ,199.08675 ,185.07100 ,101.06020 Dr 29/L 24.480 489.21268 C27H29N4O5+ −1.16 461.18170 ,443.16855 ,417.19278 ,374.17368 ,282.12366 ,241.06078 ,227.11781 ,199.08656 ,185.07088 ,156.06808 ,135.05539 ,125.05988 ,95.04965 Pr 30 25.358 387.15508 C20H23N2O6+ 0.02 279.64178 ,212.84285 ,147.06519 ,129.05489 ,119.04932 ,105.07024 Pr Pr: Process related substance; Dr: Degradation related substance -
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