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homovanillic acid
homovanillic acid Homovanillic acid is a monocarboxylic acid produced when catecholamines are broken down.
Homovanillic acid is a monocarboxylic acid produced when catecholamines are broken down. It can be measured as a biological marker of metabolic stress, tobacco use, or catecholamine-secreting tumors such as neuroblastoma or pheochromocytoma.