5-Hydroxyindole-3-acetic acid-d2 from MedChemExpress

5-Hydroxyindole-3-acetic acid-d2 is the deuterium labeled 5-Hydroxyindole-3-acetic acid. 5-Hydroxyindole-3-acetic acid is the main metabolite of serotonin or metanephrines, which can be used as a biomarker of neuroendocrine tumors