Fast ultra-high-performance liquid chromatography with diode array and mass spectrometry method for determination of tadalafil drug substance and its impurities

被引：5
作者：
Schreiber, Ludovit [1 ]
Halko, Radoslav [1 ]
Hutta, Milan [1 ]
机构：
[1] Comenius Univ, Dept Analyt Chem, Fac Nat Sci, Bratislava, Slovakia
来源：
BIOMEDICAL CHROMATOGRAPHY | 2017年 / 31卷 / 12期
关键词：
ultra-high-performance liquid chromatography; separation; determination; tadalafil; validation assay; erectile dysfunction drug;
D O I：
10.1002/bmc.4020
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Tadalafil is used for the treatment of erectile dysfunction. Its related patents expired in 2016, and so related generic drug production is predicted to be increased. This work is focused on developing a fast ultra-high-performance liquid chromatography with diode array detection and/or mass spectrometry detection for the separation and determination of tadalafil and its impurities in pharmaceutical samples. A modern reversed-phase stationary phase with sub-2m particle size, Zorbax StableBond Rapid Resolution High Definition with octylsilane chemically bonded phase to totally porous silica particles, was used for the solving this problem. Column temperature was set at 40 +/- 0.1 degrees C. A mobile phase consisting of acetonitrile and aqueous solution of 0.1% (v/v) trifluoroacetic acid for diode array detection detection and 0.05% (v/v) formic acid, both running at a flow rate of 0.62mL/min, were used to achieve the required separation of all components within a 5min run. The limit of detection was 3.5g/L and the limit of quantification was 10.0g/L for the method for both UV and MS detectors. Accurate mass spectra of tadalafil's related impurities are shown for advanced confirmation. The method is directly transferable to routine analysis of tadalafil in pharmaceutical and control laboratories.
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页数：8
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