Description
5-Hydroxyindole-3-acetic acid-d5 is the deuterium labeled 5-Hydroxyindole-3-acetic acid (HY-W008253)[1]. 5-Hydroxyindole-3-acetic acid is the main metabolite of serotonin or metanephrines, which can be used as a biomarker of neuroendocrine tumors[2]