Product Description: 4-Hydroxymephenytoin is a metabolism of an antiepileptic agent mephenytoin, which is used as a CYP2C19 substrate.
Formula: C12H14N2O3
References: [1]Tanaka M, et al. Simple and selective assay of 4-hydroxymephenytoin in human urine using solid-phase extraction and high-performance liquid chromatography with electrochemical detection and its preliminary application to phenotyping test. J Chromatogr B Biomed Appl. 1996 Feb 9;676(1):87-94./[2]Stewart NA, et al. A UPLC-MS/MS assay of the "Pittsburgh cocktail": six CYP probe-drug/metabolites from human plasma and urine using stable isotope dilution. Analyst. 2011 Feb 7;136(3):605-12.