Methoxyhydroxyphenylglycol

**Definition:** Synthesized from endogenous epinephrine and norepinephrine in vivo. It is found in brain, blood, CSF, and urine, where its concentrations are used to measure catecholamine turnover.

**Tree numbers:** - D02.033.455.250.610

**Synonyms:** - MHPG - MOPEG - Vanylglycol - 4-Hydroxy-3-methoxyphenylethylene Glycol - 4-Hydroxy-3-methoxyphenylethyleneglycol - Hydroxymethoxyphenylglycol - 4-Hydroxy-3-methoxyphenylglycol