Description_x000D_ Application_x000D_ Homovanillic acid has been used as a standard in HPLC analysis._x000D_ Packaging_x000D_ 1 g in poly bottle_x000D_ 100, 250 mg in poly bottle_x000D_ Biochem/physiol Actions_x000D_ Metabolite of dihydroxyphenylacetic acid (DOPAC) by catechol O-methyltransferase; reagent for the fluorimetric determination of glucose oxidase and other oxidative enzymes._x000D_ Other Notes_x000D_ Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. H1252.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.