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LC-MS-Based Method for the Qualitative and Quantitative Analysis of the Novel PPAR Agonist KR-62980

 Last Update: 2020-11-22
 Source: Internet
 Author: User

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A sensitive liquid chromatography/tandem mass spectrometry (LC/MS/MS) method was developed for a novel peroxisome proliferator-activatedreceptor γ (PPARγ) agonist, KR-62980, in rat plasma. It involves liquid–liquid extraction (LLE) followed by HPLC separationand electrospray ionization tandem mass spectrometry. The linear ranges of the assay were 0.01–10 μg/mL with a correlationcoefficient (
R2
) greater than 0.99 and the lower limit of quantification was 0.01 μg/mL. The average recovery was 90.1 and 98.4% from ratplasma for KR-62980 and imipramine, respectively. The coefficients of variation of intra- and inter-assay were 1.2–10.6% andthe relative error was 0.8–13.2%. The method was validated and successfully applied to the pharmacokinetic study of KR-62980in rat.

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