Simple and rapid determination of clomiphene cis and trans isomers in human plasma by high-performance liquid chromatography using on-line post-column photochemical derivatization and fluorescence detection

Urmös, I.; Benkö, S.M.; Klebovich, I.

Journal of Chromatography 617(1): 168-172

1993


ISSN/ISBN: 0021-9673
PMID: 8376533
DOI: 10.1016/0378-4347(93)80438-a
Accession: 009417383

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Abstract
A validated, sensitive and rapid high-performance high-performance liquid chromatographic method has been developed for the analysis of both cis and trans isomers of clomiphene in human plasma. The method involves a new off-line pre-column solid-phase extraction for sample preparation of clomiphene from human plasma in the presence of an internal standard. Analysis was performed by isocratic elution on a LiChrospher 100 Rp-18 5-mu-m column using on-line post-column photochemical derivatization, with fluorescence detection at 247 nm (excitation) and 378 nm (emission). The limit of quantitation was 0.75 ng/ml for the cis isomer and 1.25 ng/ml for the trans isomer. The precision and accuracy of method were between good laboratory practice (GLP) required limits.