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Record Information
Version1.0
Creation Date2016-07-13 19:42:29 UTC
Update Date2016-09-23 18:44:41 UTC
LmdbLMDB00106
Secondary Accession NumbersNone
Metabolite Identification
Common NameOrotic acid
DescriptionOrotic acid is a minor dietary constituent. Indeed, until it was realized that it could be synthesized by animals, orotic acid was known as vitamin B-13. The richest dietary sources are cow's milk and other dairy products as well as root vegetables such as carrots and beets. Dietary intake probably contributes to a basal rate of orotic acid excretion in urine because fasting decreases excretion by ~50%. However, it is now apparent that most urinary orotic acid is synthesized in the body, where it arises as an intermediate in the pathway for the synthesis of pyrimidine nucleotides. Orotic acid is converted to UMP by UMP synthase, a multifunctional protein with both orotate phosphoribosyltransferase and orotidylate decarboxylase activity. The most frequently observed inborn error of pyrimidine nucleotide synthesis is a mutation of the multifunctional protein UMP synthase. This disorder prevents the conversion of orotic acid to UMP and thus to other pyrimidines. As a result, plasma orotic acid accumulates to high concentrations, and increased quantities appear in the urine. Indeed, urinary orotic acid is so markedly increased in individuals harboring a mutation in UMP synthase that orotic acid crystals can form in the urine. The urinary concentration of orotic acid in homozygotes can be of the order of millimoles per millimole creatinine. By comparison, the urinary level in unaffected individuals is ~ 1 umol/mmol creatinine. (PMID: 17513443 ).
Structure
Thumb
Synonyms
ValueSource
OrotsaeureChEBI
Uracil-6-carboxylic acidChEBI
Uracil-6-carboxylateGenerator
OrotateGenerator
1,2,3,6-Tetrahydro-2,6-dioxo-4-pyrimidecarboxylic acidHMDB
1,2,3,6-Tetrahydro-2,6-dioxo-4-pyrimidinecarboxylic acidHMDB
1,2,3,6-Tetrahydro-2,6-dioxopyrimidin-4-carbonsaeureHMDB
2,6-Dihydroxy-4-pyrimidinecarboxylic acidHMDB
2,6-Dihydroxypyrimidine-4-carboxylic acidHMDB
2,6-Dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carboxylic acidHMDB
2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acidHMDB
6-Carboxy-2,4-dihydroxypyrimidineHMDB
6-CarboxyuracilHMDB
6-Uracilcarboxylic acidHMDB
Acide orotiqueHMDB
Acido oroticoHMDB
Acidum oroticumHMDB
Animal galactose factorHMDB
LactiniumHMDB
MolkensaeureHMDB
OROHMDB
OrodinHMDB
OropurHMDB
OrotoninHMDB
OrotonsanHMDB
OrotsaureHMDB
OroturicHMDB
OrotylHMDB
Uracil-6-carbosaeureHMDB
Vitamin b13HMDB
Whey factorHMDB
Zinc orotateHMDB
Orotate, zincHMDB
Acid, oroticHMDB
Orotate, potassiumHMDB
Potassium orotateHMDB
Orotate, sodiumHMDB
Sodium orotateHMDB
Chemical FormulaC5H4N2O4
Average Molecular Weight156.0963
Monoisotopic Molecular Weight156.017106626
IUPAC Name2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
Traditional Nameorotic acid
CAS Registry Number65-86-1
SMILES
OC(=O)C1=CC(=O)NC(=O)N1
InChI Identifier
InChI=1S/C5H4N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h1H,(H,9,10)(H2,6,7,8,11)
InChI KeyPXQPEWDEAKTCGB-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyrimidinecarboxylic acids. These are pyrimidines with a structure containing a carboxyl group attached to the pyrimidine ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyrimidines and pyrimidine derivatives
Direct ParentPyrimidinecarboxylic acids
Alternative Parents
Substituents
  • Pyrimidine-6-carboxylic acid
  • Hydropyrimidine carboxylic acid derivative
  • Pyrimidone
  • Hydropyrimidine
  • Heteroaromatic compound
  • Vinylogous amide
  • Urea
  • Lactam
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
StatusDetected and Quantified
OriginNot Available
BiofunctionNot Available
ApplicationNot Available
Cellular locationsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-0.89ALOGPS
logP-1.2ChemAxon
logS-1.5ALOGPS
pKa (Strongest Acidic)2.83ChemAxon
pKa (Strongest Basic)-6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area95.5 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity33.27 m³·mol⁻¹ChemAxon
Polarizability12.46 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0udi-1982000000-b20f2ec9a2f1acc84ae1Spectrum
GC-MSGC-MS Spectrum - GC-MS (3 TMS)splash10-0zfr-2693000000-07bf11b5177412647d9bSpectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0udi-1982000000-b20f2ec9a2f1acc84ae1Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0zfr-2693000000-07bf11b5177412647d9bSpectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0udi-1972000000-c04fb7381d3ca07c9b0aSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-06ri-6900000000-4ba5fde1f8f62c4a2ba2Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-0229-9850000000-8164142820eb5162e753Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_3) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_3) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Negative (Annotated)splash10-03di-0900000000-81d73aed73c250fff3aeSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Negative (Annotated)splash10-0006-9300000000-ecb08d1854a2789480d1Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Negative (Annotated)splash10-0006-9100000000-15748a4c13636c42f4f9Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-02ti-4900000000-6fd6312d81f94faaaf11Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-03di-0900000000-1b7abf52e4a01cb85541Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , negativesplash10-03di-0900000000-1b7abf52e4a01cb85541Spectrum
LC-MS/MSLC-MS/MS Spectrum - , negativesplash10-03di-0900000000-3dff3caa5c10aff8ce46Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-02ti-4900000000-6fd6312d81f94faaaf11Spectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-004i-9000000000-351f585d58b38f6132deSpectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-0a4r-0900000000-4e46209ca236b470bf7fSpectrum
LC-MS/MSLC-MS/MS Spectrum - 20V, Positivesplash10-014i-9300000000-aa9cd31d715d134ee8ddSpectrum
LC-MS/MSLC-MS/MS Spectrum - 40V, Positivesplash10-014i-9000000000-cdd01e740b6f9d1a909aSpectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Negativesplash10-03di-1900000000-baf39ad8ab6f08fb1a7bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0bt9-0900000000-1ad59feda583f2247b21Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-03di-2900000000-0d0d27215e9f39a2a15bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9100000000-918a38777f5d4e049697Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-0900000000-d7bbee7f2dc7bb0c6a83Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03dl-7900000000-303fe3e06e98f518a2eeSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-b2c02975bbba65c2f1c6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0bt9-0900000000-1ad59feda583f2247b21Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-03di-2900000000-0d0d27215e9f39a2a15bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9100000000-918a38777f5d4e049697Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-0900000000-d7bbee7f2dc7bb0c6a83Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03dl-7900000000-303fe3e06e98f518a2eeSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-b2c02975bbba65c2f1c6Spectrum
MSMass Spectrum (Electron Ionization)splash10-066r-9300000000-e5c3ef3304f93a38628cSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
2D NMR[1H,1H] 2D NMR SpectrumNot AvailableSpectrum
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableSpectrum
Biological Properties
Cellular LocationsNot Available
Biofluid Locations and Tissue Locations
  • Milk
  • Urine
Concentrations
BiofluidStatusValueConditionSpeciesReferenceDetails
MilkDetected but not QuantifiedNot ApplicableNot AvailableBovine details
MilkDetected but not QuantifiedNot ApplicableNot AvailableBovine details
MilkDetected but not QuantifiedNot ApplicableNot AvailableBovine details
MilkDetected but not QuantifiedNot ApplicableNot AvailableBovine details
MilkDetected but not QuantifiedNot ApplicableNot AvailableBovine details
MilkDetected and Quantified208-1002 uMNot AvailableBovine details
UrineDetected but not QuantifiedNot ApplicableNot AvailableEquine
    • E. E. Escalona, J...
details
DrugBank IDDB02262
HMDB IDHMDB0000226
FooDB IDFDB031072
Phenol Explorer IDNot Available
KNApSAcK IDC00019689
BiGG ID34527
BioCyc IDOROTATE
METLIN ID318
PDB IDNot Available
Wikipedia LinkOrotic_acid
Chemspider ID942
ChEBI ID16742
PubChem Compound ID967
Kegg Compound IDC00295
YMDB IDYMDB00405
ECMDB IDECMDB00226
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Brosnan ME, Brosnan JT: Orotic acid excretion and arginine metabolism. J Nutr. 2007 Jun;137(6 Suppl 2):1656S-1661S. [17513443 ]