HPLC法测定维格列汀片中的有关物质
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篇名: | HPLC法测定维格列汀片中的有关物质 |
TITLE: | |
摘要: | 目的:建立测定维格列汀片中有关物质的方法。方法:采用高效液相色谱法。色谱柱为 Xterra MS C18,流动相为[磷酸盐缓冲液-水-乙腈-甲醇(400 ∶ 600 ∶ 15 ∶ 15,V/V/V/V)]-[磷酸盐缓冲液-乙腈-甲醇(400 ∶ 450 ∶ 150,V/V/V)](梯度洗脱),流速为1.2 mL/min,检测波长为210 nm,柱温为35 ℃,进样量为10 μL。结果:杂质A、B、C、D检测质量浓度线性范围分别为18.80~188.0 μg/mL(r=0.999 5)、22.64~226.4 μg/mL(r=0.999 6)、21.74~217.4 μg/mL(r=0.999 7)、19.12~191.2 μg/mL(r=0.999 8);检测限分别为4.18、2.68、1.12、1.34 μg/mL;精密度、稳定性、重复性试验的RSD<3%;加样回收率分别为97.9%~103.1%(RSD=2.01%,n=9)、98.8%~104.1%(RSD=1.93%,n=9)、98.0%~103.6%(RSD=1.81%,n=9)、100.8%~104.1%(RSD=0.98%,n=9)。结论:该方法操作简单、结果准确,可用于维格列汀片中有关物质的测定。 |
ABSTRACT: | OBJECTIVE: To establish a method for the determination of related substances in Vildagliptin tablets. METHODS: HPLC method was adopted. The determination was performed on Xterra MS C18 column with mobile phase consisted of [phosphate buffer-water-acetonitrie-methanol (400 ∶ 600 ∶ 15 ∶ 15,V/V/V/V)]-[phosphate buffer-acetonitrile-methanol (400 ∶ 450 ∶ 150,V/V/V)] (gradient elution) at the flow rate of 1.2 mL/min. The detection wavelength was set at 210 nm and column temperature was 35 ℃. The sample size was 10 μL. RESULTS: The linear ranges were 18.80-188.0 μg/mL for impurity A (r=0.999 5), 22.64-226.4 μg/mL for impurity B (r=0.999 6), 21.74-217.4 μg/mL for impurity C (r=0.999 7), 19.12-191.2 μg/mL for impurity D (r=0.999 8). The limits of detection were 4.18, 2.68, 1.12, 1.34 μg/mL, respectively; RSDs of precision, stability and reproducibility tests were lower than 3%; the recoveries of impurity A, B, C and D were 97.9%-103.1%(RSD=2.01%,n=9), 98.8%-104.1%(RSD=1.93%, n=9), 98.0%-103.6%(RSD=1.81%,n=9), 100.8%-104.1%(RSD=0.98%,n=9),respectively. CONCLUSIONS: The method is simple and accurate, and can be used for the determination of related substances in Vildagliptin tablets. |
期刊: | 2017年第28卷第15期 |
作者: | 黄姗,张梦泽 |
AUTHORS: | HUANG Shan,ZHANG Mengze |
关键字: | 维格列汀片;有关物质;高效液相色谱法 |
KEYWORDS: | Vildagliptin tablets; Related substances; HPLC |
阅读数: | 503 次 |
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