Product Description: Phenylglyoxylic acid-d5 (Benzoylformic acid-d5) is a deuterium labeled Phenylglyoxylic acid (HY-W010255). Phenylglyoxylic acid (Benzoylformic acid) is a metabolite of ethylbenzene and styrene (EB/S) and can be used as a biomarker of exposure to EB/S in human[1][2].
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-246./[2]Capella KM, et al. Ethylbenzene and styrene exposure in the United States based on urinary mandelic acid and phenylglyoxylic acid: NHANES 2005-2006 and 2011-2012. Environ Res. 2019 Apr;171:101-110.