Simultaneous determination of vinclozolin and detection of its degradation products in mouse plasma, serum and urine, and from rabbit bile, by high-performance liquid chromatography.
A specific high-performance liquid chromatography method has been developed for simultaneous detection of vinclozolin and its degradation products (M1, M2, and M3). The method has been validated according to ICH guidelines and can be extended to quantitation of vinclozolin. A base-line separation of vinclozolin and its degradation products was found with symmetrical peak shapes on an XTerra MS C18 column using 10 mM ammonium bicarbonate at pH 9.2 and acetonitrile as mobile phase. The retention times of vinclozolin, M1, M2, and M3 were 12.8, 8.1, 11.6, and 11.1 min, respectively. A linear calibration curve was obtained across a range from 5 to 200 microM for vinclozolin. The intra- and inter-day relative standard deviations (%RSD) were <1%. Greater than 90% recoveries of vinclozolin from bio-fluids including mouse plasma, serum and urine, and rabbit bile, were obtained in a single step with a single solvent.
Center for Drug Design and Development, College of Pharmacy, University of Toledo, Toledo, OH 43606, USA. mugunthu.dhananjeyan@utoledo.edu
Mugunthu R
MR
Dhananjeyan
Paul W
PW
Erhardt
Cynthia
C
Corbitt
D000818:Animals; D001646:Bile / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D013058:Mass Spectrometry / Q000379:methods; D051379:Mice; D010080:Oxazoles / Q000032:analysis* / Q000378:metabolism*; D011817:Rabbits; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013056:Spectrophotometry, Ultraviolet
D010080:Oxazoles; C025643:vinclozolin