LC-MS/MS法测定富马酸替诺福韦二吡呋酯中的9-丙烯基腺嘌呤

West China Journal of Pharmaceutical Sciences(2016)

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Abstract
目的 采用LC-MS/MS法测定富马酸替诺福韦二吡呋酯中的9-丙烯基腺嘌呤.方法 采用Waters Acquity UPLC(R)BEH C18色谱柱(50mm×2.1 mm,1.7 μm),流动相为乙腈-0.1%甲酸溶液,梯度洗脱,流速0.3 mL· min-1,柱温40℃,质谱离子化方式为ESI,正离子模式,多反应监测,9-丙烯基腺嘌呤检测离子质荷比为m/z176.25→136.15,119.16.结果 1.1~215.4 pg 9-丙烯基腺嘌呤与峰面积的线性关系良好(r =0.998),检出限为0.1 pg,精密度、稳定性试验的RSD均≤1.5%;平均加样回收率为95.5%,RSD =4.58% (n =9).结论 所用方法准确、快速灵敏、专属性强,可用于测定富马酸替诺福韦二吡呋酯中的9-丙烯基腺嘌呤.
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Key words
9-Propenyladenine,Tenofovir disoproxil fumarate,LC-MS,Content determination,Quality control
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