4391 Homovanillic acid Homovanillic acid is a dopamine metabolite occurring in human biofluids. A high proportion of patients with neuroblastoma excrete increased amounts of it in their urine. Homovanillic acid is a major catecholamine metabolite. It is used as a reagent to detect oxidative enzymes. 306-08-1 1738 C9H10O4 White powder. 138 - 140°C 17 mg/mL No indication of carcinogenicity to humans (not listed by IARC). This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions, catabolic reactions or waste generation. 2014-08-29T06:29:15Z 2026-05-21T14:38:36Z Homovanillic acid C05582 545959 true COC1=CC(CC(O)=O)=CC=C1O C9H10O4 InChI=1S/C9H10O4/c1-13-8-4-6(5-9(11)12)2-3-7(8)10/h2-4,10H,5H2,1H3,(H,11,12) QRMZSPFSDQBLIX-UHFFFAOYSA-N 182.1733 182.057908808 Endogenous Solid 0.33 HMDB00118 CHEMBL1562 1675 CHEM003297 DTXSID5059791 NS00015133 66.76 45.8097 17.738134603087865 3 4 2 3.7448569898637887 -4.892538176084046 -1 1 1.02 -1.83 2.72e+00 g/l