Labeled Xanthurenic Acid. Excreted by pyridoxine-deficient animals after the ingestion of tryptophan.Melting Point:As Reported Solubility:As ReportedMethod for Determining Identity:Proton NMR (DSMO-d6), 13C NMR (D2O+NaOD) Spectroscopic and Mass Spectrometric AnalysisTLC Conditions:As ReportedElemental Analysis:As ReportedNormalized Intensity:As ReportedStorage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Store under inert atmosphere.Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
