Record Information
Version1.0
Creation Date2016-09-30 22:32:14 UTC
Update Date2020-05-11 20:47:30 UTC
MCDB ID BMDB0000528
Secondary Accession Numbers
  • BMDB00528
Metabolite Identification
Common Name4,5-Dihydroorotic acid
Description4,5-Dihydroorotic acid, also known as hydroorotate, belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. 4,5-Dihydroorotic acid is possibly soluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). 4,5-Dihydroorotic acid exists in all living species, ranging from bacteria to humans.
Structure
Thumb
Synonyms
ValueSource
5,6-Dihydro-orotic acidChEBI
DL-Dihydroortotic acidChEBI
Hydroorotic acidChEBI
5,6-Dihydro-orotateGenerator
DL-DihydroortotateGenerator
HydroorotateGenerator
4,5-DihydroorotateGenerator
4,5-Dihydroorotic acid, (D)-isomerMeSH
4,5-Dihydroorotic acid, (DL)-isomerMeSH
4,5-Dihydroorotic acid, (L)-isomerMeSH
5,6-DihydroorotateMeSH
L-DihydroorotateMeSH
DihydroorotateMeSH
(+)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylateHMDB
(+)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylic acidHMDB
(R)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylateHMDB
(R)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylic acidHMDB
(S)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylateHMDB
(S)-2,6-dioxo-hexahydro-Pyrimidine-4-carboxylic acidHMDB
2,6-dioxo-hexahydro-Pyrimidine-4-carboxylateHMDB
2,6-dioxo-hexahydro-Pyrimidine-4-carboxylic acidHMDB
L-HydroorotateHMDB
L-Hydroorotic acidHMDB
R,S-HydroorotateHMDB
Chemical FormulaC5H6N2O4
Average Molecular Weight158.1121
Monoisotopic Molecular Weight158.03275669
IUPAC Name2,6-dioxo-1,3-diazinane-4-carboxylic acid
Traditional Namedihydroorotic acid
CAS Registry Number155-54-4
SMILES
OC(=O)C1CC(=O)NC(=O)N1
InChI Identifier
InChI=1S/C5H6N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h2H,1H2,(H,9,10)(H2,6,7,8,11)
InChI KeyUFIVEPVSAGBUSI-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids and derivatives
Alternative Parents
Substituents
  • Alpha-amino acid or derivatives
  • N-acyl urea
  • Pyrimidone
  • Ureide
  • 1,3-diazinane
  • Pyrimidine
  • Dicarboximide
  • Urea
  • Carbonic acid derivative
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-1.7ALOGPS
logP-1.5ChemAxon
logS-1.1ALOGPS
pKa (Strongest Acidic)3.28ChemAxon
pKa (Strongest Basic)-8.2ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area95.5 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity31.58 m³·mol⁻¹ChemAxon
Polarizability13.09 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-000f-9400000000-248b8d6d703ba73c20582016-09-22View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-03di-3900000000-b0776f22820e6e570a092017-10-06View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_3) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-05View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_3) - 70eV, PositiveNot Available2021-11-05View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-059i-9700000000-c8ce0433c02db41880b92012-07-24View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-00di-9000000000-56601203ef19b09212fe2012-07-24View Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-006x-9000000000-b6342346ce51dd871eaa2012-07-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-0900000000-2ddb498acc970a567f6b2016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-03dl-5900000000-4b73ae512e57466dd4e62016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9100000000-d6c31a36d6fe5c68d9e12016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-1900000000-c84801951eaa1da750f72016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-9000000000-4ae1d11ab20f903606c32016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-aec3a40befb20e60f21b2016-09-14View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-06r6-0900000000-86736ae769db7bc83c232021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-03di-5900000000-f6e9e0cbdc2adf67aa892021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00dl-9000000000-aac58a007ab745825d742021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-0900000000-b0c5e687f246809cdae92021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-01ox-6900000000-cb60b796898e6ca4336d2021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-fccf5d7216b23cffed7a2021-09-24View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, experimental)Not Available2012-12-04View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Not Available2021-09-29View Spectrum
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental)Not Available2012-12-05View Spectrum
Concentrations
StatusValueReferenceDetails
Detected but not QuantifiedNot Applicable details
HMDB IDHMDB0000528
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB022096
KNApSAcK IDNot Available
Chemspider ID628
KEGG Compound IDC00337
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link4,5-Dihydroorotic_acid
METLIN ID5513
PubChem Compound648
PDB IDNot Available
ChEBI ID30865
References
Synthesis ReferenceBurger, Klaus; Neuhauser, Horst; Rudolph, Martin. A new, preparatively simple way to dihydroorotic acid, 1-methyl-4,5-dihydroorotic acid and their derivatives. Chemiker-Zeitung (1990), 114(7-8), 251-5.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Hagi T, Kobayashi M, Nomura M: Metabolome analysis of milk fermented by gamma-aminobutyric acid-producing Lactococcus lactis. J Dairy Sci. 2016 Feb;99(2):994-1001. doi: 10.3168/jds.2015-9945. Epub 2015 Dec 10. [PubMed:26686724 ]