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Record Information
Version3.6
Creation Date2005-11-16 15:48:42 UTC
Update Date2016-06-10 21:22:28 UTC
HMDB IDHMDB00634
Secondary Accession NumbersNone
Metabolite Identification
Common NameCitraconic acid
DescriptionMesaconic acid is one of several isomeric carboxylic acids obtained from citric acid. Is used as a fire retardant, recent studies revealed this acid is a competitive inhibitor of fumarate reduction.
Structure
Thumb
Synonyms
ValueSource
(Z)-2-Methyl-2-butenedioic acidChEBI
2-Methyl-2-butenedioic acidChEBI
2-Methylmaleic acidChEBI
alpha-Methylmaleic acidChEBI
cis-2-Methylbutenedioic acidChEBI
cis-Methylbutenedioic acidChEBI
CitraconsaeureChEBI
Methyl-maleinsaeureChEBI
Methylmaleic acidChEBI
(Z)-2-Methyl-2-butenedioateGenerator
(Z)-2-Methylbut-2-enedioateGenerator
2-Methyl-2-butenedioateGenerator
2-MethylmaleateGenerator
a-MethylmaleateGenerator
a-Methylmaleic acidGenerator
alpha-MethylmaleateGenerator
α-methylmaleateGenerator
α-methylmaleic acidGenerator
cis-2-MethylbutenedioateGenerator
cis-MethylbutenedioateGenerator
MethylmaleateGenerator
CitraconateHMDB
Chemical FormulaC5H6O4
Average Molecular Weight130.0987
Monoisotopic Molecular Weight130.02660868
IUPAC Name(2Z)-2-methylbut-2-enedioic acid
Traditional Namecitraconic acid
CAS Registry Number498-23-7
SMILES
C\C(=C\C(O)=O)C(O)=O
InChI Identifier
InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-
InChI KeyInChIKey=HNEGQIOMVPPMNR-IHWYPQMZSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentMethyl-branched fatty acids
Alternative Parents
Substituents
  • Methyl-branched fatty acid
  • Unsaturated fatty acid
  • Dicarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
StatusDetected and Quantified
Origin
  • Endogenous
  • Food
Biofunction
  • Cell signaling
  • Fuel and energy storage
  • Fuel or energy source
  • Membrane integrity/stability
Application
  • Nutrients
  • Stabilizers
  • Surfactants and Emulsifiers
Cellular locations
  • Extracellular
  • Membrane
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point88 - 94 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility783.0 mg/mLNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility15.9 mg/mLALOGPS
logP0.21ALOGPS
logP0.35ChemAxon
logS-0.91ALOGPS
pKa (Strongest Acidic)2.5ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity28.96 m3·mol-1ChemAxon
Polarizability11.17 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-MS (2 TMS)splash10-053s-9830000000-9984d183d92e149a6ab4View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Negative (Annotated)splash10-000i-9100000000-707e9072305131e101d9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Negative (Annotated)splash10-0006-9000000000-2a007e703ec5aa2df51aView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Negative (Annotated)splash10-000f-9200000000-5095d8b00331302fe65fView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-004i-2900000000-98ab39de610d4d7e428dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-000i-9000000000-1786e7db899e12344315View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-000i-9000000000-a1b543932fc265020973View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-0006-9000000000-d5dc2c9fdcd47f64c404View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negativesplash10-0006-9000000000-81b2f20752aef9eee2e9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-000i-9200000000-ddad81eb9311ec64a8c7View in MoNA
1D NMR1H NMR SpectrumNot Available
2D NMR[1H,1H] 2D NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biofluid Locations
  • Blood
  • Urine
Tissue LocationNot Available
PathwaysNot Available
Normal Concentrations
BiofluidStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot ApplicableNot AvailableNot Available
Normal
  • Not Applicable
details
UrineDetected and Quantified0.35-0.84 umol/mmol creatinineAdult (>18 years old)FemaleNormal details
UrineDetected but not QuantifiedNot ApplicableAdult (>18 years old)Both
Normal
details
UrineDetected and Quantified0.33-0.51 umol/mmol creatinineAdult (>18 years old)MaleNormal details
UrineDetected and Quantified2.0 (1.2-2.6) umol/mmol creatinineAdult (>18 years old)Both
Normal
details
UrineDetected and Quantified2.2 umol/mmol creatinineAdult (>18 years old)BothNormal details
UrineDetected and Quantified1.6 (0.9-2.1) umol/mmol creatinineAdult (>18 years old)Both
Normal
details
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 IDFDB022155
KNApSAcK IDNot Available
Chemspider ID553689
KEGG Compound IDC02226
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
NuGOwiki LinkHMDB00634
Metagene LinkHMDB00634
METLIN ID5607
PubChem Compound643798
PDB IDNot Available
ChEBI ID17626
References
Synthesis ReferenceBerg, Rudolph G. Catalytic preparation of citraconic and itaconic acids. U.S. (1972), 5 pp.
Material Safety Data Sheet (MSDS)Download (PDF)
General ReferencesNot Available