You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Human Metabolome Database.
Record Information
Version4.0
StatusExpected but not Quantified
Creation Date2006-10-31 13:02:28 UTC
Update Date2017-10-23 19:04:15 UTC
HMDB IDHMDB0005175
Secondary Accession Numbers
  • HMDB05175
Metabolite Identification
Common NameHomovanillin
Description3 -Methoxy-4-hydroxyphenylacetaldehyde is an intermediary aldehyde of dopamine metabolism, metabolized by the class I human liver alcohol dehydrogenases (ADHs). ADH catalyzes both ethanol and acetaldehyde, and the dopamine intermediates compete for the same site of ADH, a basis for the ethanol-induced in vivo alterations of dopamine metabolism. (PMID 2432930 ).
Structure
Thumb
Synonyms
ValueSource
3-Methoxy-4-hydroxyphenylacetaldehydeChEBI
4-Hydroxy-3-methoxybenzeneacetaldehydeChEBI
HMPALChEBI
(4-Hydroxy-3-methoxyphenyl)acetaldehydeHMDB
2-(4-Hydroxy-3-methoxyphenyl) ethanalHMDB
4-Hydroxy-3-methoxy-benzeneacetaldehydeHMDB
Chemical FormulaC9H10O3
Average Molecular Weight166.1739
Monoisotopic Molecular Weight166.062994186
IUPAC Name2-(4-hydroxy-3-methoxyphenyl)acetaldehyde
Traditional Namehomovanillin
CAS Registry Number5703-24-2
SMILES
COC1=C(O)C=CC(CC=O)=C1
InChI Identifier
InChI=1S/C9H10O3/c1-12-9-6-7(4-5-10)2-3-8(9)11/h2-3,5-6,11H,4H2,1H3
InChI KeyGOQGGGANVKPMNH-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of chemical entities known as methoxyphenols. These are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.
KingdomChemical entities
Super ClassOrganic compounds
ClassBenzenoids
Sub ClassPhenols
Direct ParentMethoxyphenols
Alternative Parents
Substituents
  • Methoxyphenol
  • Phenylacetaldehyde
  • Phenoxy compound
  • Anisole
  • Methoxybenzene
  • Phenol ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Monocyclic benzene moiety
  • Alpha-hydrogen aldehyde
  • Ether
  • Aldehyde
  • Carbonyl group
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Disposition

Biological Location:

  Subcellular:

Source:

Process

Naturally occurring process:

  Biological process:

    Biochemical pathway:

Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility2.9 g/LALOGPS
logP1.52ALOGPS
logP0.99ChemAxon
logS-1.8ALOGPS
pKa (Strongest Acidic)9.94ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area46.53 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity44.88 m³·mol⁻¹ChemAxon
Polarizability16.81 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0079-1900000000-e28b59106188528267beView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00di-6970000000-a597b09f1ff1acebbc8aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-0900000000-d1e8f15334f430895aceView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-014s-1900000000-e7c5332202c6a2921d0bView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4j-9500000000-8692ad76fd38a1c456dcView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0900000000-5560a290417d5b338a9fView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-014i-0900000000-ecdd9295a0eb88d0d20cView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9600000000-3121b7d402f23864e3a8View in MoNA
Biological Properties
Cellular Locations
  • Cytoplasm
Biofluid LocationsNot Available
Tissue LocationNot Available
Pathways
NameSMPDB/PathwhizKEGG
AlkaptonuriaPw000180Pw000180 greyscalePw000180 simpleNot Available
Disulfiram PathwayPw000431Pw000431 greyscalePw000431 simpleNot Available
Dopamine beta-hydroxylase deficiencyPw000474Pw000474 greyscalePw000474 simpleNot Available
HawkinsinuriaPw000181Pw000181 greyscalePw000181 simpleNot Available
Monoamine oxidase-a deficiency (MAO-A)Pw000509Pw000509 greyscalePw000509 simpleNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound IDNot Available
Phenol Explorer Metabolite IDNot Available
FoodDB IDFDB023632
KNApSAcK IDNot Available
Chemspider ID133331
KEGG Compound IDC05581
BioCyc IDNot Available
BiGG ID46064
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound151276
PDB IDNot Available
ChEBI ID28111
References
Synthesis ReferenceHarries, C. Homovanillin. Berichte der Deutschen Chemischen Gesellschaft (1915), 48 868-9. CODEN: BDCGAS ISSN:0365-9496. CAN 9:13972 AN 1915:13972
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Mardh G, Vallee BL: Human class I alcohol dehydrogenases catalyze the interconversion of alcohols and aldehydes in the metabolism of dopamine. Biochemistry. 1986 Nov 18;25(23):7279-82. [PubMed:2432930 ]

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOB preferentially degrades benzylamine and phenylethylamine.
Gene Name:
MAOB
Uniprot ID:
P27338
Molecular weight:
58762.475
Reactions
3-Methoxytyramine + Water + Oxygen → Homovanillin + Hydrogen peroxide + Ammoniadetails
General function:
Involved in oxidoreductase activity
Specific function:
Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOA preferentially oxidizes biogenic amines such as 5-hydroxytryptamine (5-HT), norepinephrine and epinephrine.
Gene Name:
MAOA
Uniprot ID:
P21397
Molecular weight:
59681.27
Reactions
3-Methoxytyramine + Water + Oxygen → Homovanillin + Hydrogen peroxide + Ammoniadetails
General function:
Involved in oxidoreductase activity
Specific function:
ALDHs play a major role in the detoxification of alcohol-derived acetaldehyde. They are involved in the metabolism of corticosteroids, biogenic amines, neurotransmitters, and lipid peroxidation. This protein preferentially oxidizes aromatic aldehyde substrates. It may play a role in the oxidation of toxic aldehydes.
Gene Name:
ALDH3A1
Uniprot ID:
P30838
Molecular weight:
50394.57
Reactions
Homovanillin + NAD + Water → Homovanillic acid + NADH + Hydrogen Iondetails
Homovanillin + NADP + Water → Homovanillic acid + NADPH + Hydrogen Iondetails
General function:
Involved in oxidoreductase activity
Specific function:
Recognizes as substrates free retinal and cellular retinol-binding protein-bound retinal. Seems to be the key enzyme in the formation of an RA gradient along the dorso-ventral axis during the early eye development and also in the development of the olfactory system (By similarity).
Gene Name:
ALDH1A3
Uniprot ID:
P47895
Molecular weight:
56107.995
Reactions
Homovanillin + NAD + Water → Homovanillic acid + NADH + Hydrogen Iondetails
Homovanillin + NADP + Water → Homovanillic acid + NADPH + Hydrogen Iondetails
General function:
Involved in oxidoreductase activity
Specific function:
Not Available
Gene Name:
ALDH3B2
Uniprot ID:
P48448
Molecular weight:
42623.62
Reactions
Homovanillin + NAD + Water → Homovanillic acid + NADH + Hydrogen Iondetails
Homovanillin + NADP + Water → Homovanillic acid + NADPH + Hydrogen Iondetails
General function:
Involved in oxidoreductase activity
Specific function:
Oxidizes medium and long chain saturated and unsaturated aldehydes. Metabolizes also benzaldehyde. Low activity towards acetaldehyde and 3,4-dihydroxyphenylacetaldehyde. May not metabolize short chain aldehydes. May use both NADP(+) and NAD(+) as cofactors. May have a protective role against the cytotoxicity induced by lipid peroxidation.
Gene Name:
ALDH3B1
Uniprot ID:
P43353
Molecular weight:
51839.245
Reactions
Homovanillin + NAD + Water → Homovanillic acid + NADH + Hydrogen Iondetails
Homovanillin + NADP + Water → Homovanillic acid + NADPH + Hydrogen Iondetails