ChEBI: 3-methoxytyramine is a monomethoxybenzene that is dopamine in which the hydroxy group at position 3 is replaced by a methoxy group. It is a metabolite of the neurotransmitter dopamine and considered a potential biomarker of pheochromocytomas and paragangliomas. It has a role as a human blood serum metabolite, a human urinary metabolite and a biomarker. It is a member of phenols, a primary amino compound, a monomethoxybenzene and a phenylethylamine. It is functionally related to a dopamine. It is a conjugate base of a 3-methoxytyraminium.