Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB110182
Identification
Name: urocanate
Description:A urocanate obtained by deprotonation of the carboxy group of trans-urocanic acid; major species at pH 7.3.
Structure
Thumb
Synonyms:
  • urocanic acid
  • trans-urocanate
Chemical Formula: C6H5N2O2
Average Molecular Weight: 137.12
Monoisotopic Molecular Weight: 138.0429274472
InChI Key: LOIYMIARKYCTBW-OWOJBTEDSA-M
InChI: InChI=1S/C6H6N2O2/c9-6(10)2-1-5-3-7-4-8-5/h1-4H,(H,7,8)(H,9,10)/p-1/b2-1+
CAS number: 104-98-3
IUPAC Name:(2E)-3-(1H-imidazol-4-yl)prop-2-enoate
Traditional IUPAC Name: trans-urocanic acid
SMILES:C1(NC=NC=1C=CC([O-])=O)
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as imidazolyl carboxylic acids and derivatives. These are organic compounds containing a carboxylic acid chain (of at least 2 carbon atoms) linked to an imidazole ring.
Kingdom Organic compounds
Super ClassOrganoheterocyclic compounds
Class Azoles
Sub ClassImidazoles
Direct Parent Imidazolyl carboxylic acids and derivatives
Alternative Parents
Substituents
  • Imidazolyl carboxylic acid derivative
  • Heteroaromatic compound
  • 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
  • Carbonyl group
  • Aromatic heteromonocyclic compound
Molecular Framework Aromatic heteromonocyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:-1
Melting point: 225 °C
Experimental Properties:
PropertyValueReference
Melting Point225 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility1.5 mg/mL at 17 °CNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility42.5 mg/mLALOGPS
logP0.22ALOGPS
logP-1ChemAxon
logS-0.51ALOGPS
pKa (Strongest Acidic)3.85ChemAxon
pKa (Strongest Basic)6.13ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area65.98 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity35.57 m3·mol-1ChemAxon
Polarizability13.1 Å3ChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Not Available
Reactions:
Pathways:
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)splash10-014m-1930000000-25b091170cc3ea73bcf7View in MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies)splash10-00l5-1930000000-5c3c875338a517d52729View in MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)splash10-00di-9410000000-b58e1b2cdd5c12a6ba24View in MoNA
GC-MSGC-MS Spectrum - GC-MS (2 TMS)splash10-0159-3950000000-433e50271e182f8408fdView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-00di-3900000000-8c1c060d06c1ce3fb5f7View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-00kf-9000000000-ae9de21d4642045fb96cView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-014l-9000000000-8e6978d7f104386d2e82View in MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positivesplash10-000f-9200000000-cb7f9025a0f6adf740c1View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-000i-1900000000-c628b05706544cb1ebdcView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-0006-9300000000-bc4c631410a5cbb3c2f5View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-0006-9000000000-ccac569cbc78a632da48View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-0006-9000000000-a22c861e4f2551a3f582View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negativesplash10-00kf-9000000000-37421b473ba575d307fdView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-00du-5900000000-29dc15087c785a19c0eeView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-0006-9200000000-1cc9b0a66b83ca383ebdView in MoNA
1D NMR1H NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
References
References:
  • Sastry CM, Whitmore SE, Breysse PN, Morison WL, Strickland PT: The effect of clinical UVA/B exposures on urinary urocanic acid isomer levels in individuals with caucasian type (II/III) skin types. Dermatol Online J. 2005 Dec 1;11(3):1. [16409897 ]
  • Hug DH, Hunter JK, Dunkerson DD: The potential role for urocanic acid and sunlight in the immune suppression associated with protein malnutrition. J Photochem Photobiol B. 1998 Jul 10;44(2):117-23. [9757593 ]
  • Snellman E, Jansen CT, Laihia JK, Milan T, Koulu L, Leszczynski K, Pasanen P: Urocanic acid concentration and photoisomerization in Caucasian skin phototypes. Photochem Photobiol. 1997 May;65(5):862-5. [9155258 ]
  • Schwarz W, Langer K, Haag A: High-performance liquid chromatographic determination of (Z)-and (E)-urocanic acid in human skin. J Chromatogr. 1984 Sep 14;310(1):188-92. [6501514 ]
  • Hermann K, Abeck D: Determination of histidine and urocanic acid isomers in the human skin by high-performance capillary electrophoresis. J Chromatogr B Biomed Sci Appl. 2000 Nov 10;749(1):41-7. [11129077 ]
  • Kinuta M, Kinuta K, Yamada H, Abe T, Yoshida Y, Araki K, Li SA, Otsuka A, Nakanishi A, Moriyama Y, Takei K: Formation of S-[2-carboxy-1-(1H-imidazol-4-yl) ethyl]glutathione, a new metabolite of L-histidine, from cis-urocanic acid and glutathione by the action of glutathione S-transferase. Electrophoresis. 2003 Sep;24(18):3212-8. [14518047 ]
  • Yokoya S, Tokuhiro E, Suwa S, Maesaka H: Measurement of the skin urocanic acid content in normal and histidinemic infants. Eur J Pediatr. 1983 Sep;140(4):330-2. [6628454 ]
  • Morrison H: Photochemistry and photobiology of urocanic acid. Photodermatol. 1985 Jun;2(3):158-65. [3895185 ]
Synthesis Reference: Yamamoto, Kozo; Sato, Tadashi; Tosa, Tetsuya; Chibata, Ichiro. Continuous production of urocanic acid by immobilized Achromobacter liquidum cells. Biotechnology and Bioengineering (1974), 16(12), 1601-10.
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
ResourceLink
CAS104-98-3
ChEBI17771
ChemSpider4573734
HMDBHMDB00301
KEGGC00785
MetaboLightsMTBLC17771
PubChem5460052