Qualitative and quantitative analysis of ranitidine and its metabolites by high-performance liquid chromatography-mass spectrometry.

M S Lant, L E Martin, J Oxford

文献索引：J. Chromatogr. A. 323(1) , 143-52, (1985)

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摘要

Reversed-phase high-performance liquid chromatography systems for the separation of ranitidine and its metabolites ranitidine-N-oxide, ranitidine-S-oxide, and desmethylranitidine have been developed for use in high-performance liquid chromatography-mass spectrometry. A direct liquid introduction-high-performance liquid chromatography-mass spectrometry system to analyse qualitatively and quantitatively solutions containing ranitidine and its metabolites by reversed-phase chromatography is described. A sample of urine collected from a subject given an oral dose of 75 mg of ranitidine and 75 mg of tris-deuterated ranitidine was analysed by this system. Ranitidine and its metabolites were identified by the ion doublets in the mass spectra which were 3 a.m.u. apart.

相关化合物

  • 雷尼替丁-S-氧化物

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