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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-06-12 17:33:17 UTC
Update Date2019-07-23 07:14:34 UTC
HMDB IDHMDB0060545
Secondary Accession Numbers
  • HMDB60545
Metabolite Identification
Common NameO-Desmethylindomethacin
DescriptionO-Desmethylindomethacin is a metaboite of Indomethacin. Indomethacin is metabolized in humans by O-demethylation, and by acyl glucuronidation to the 1-O-glucuronide. Indomethacin and O-desmethylindomethacin may be glucuronidated in the kidney. Probenecid is a known substrate for renal glucuronidation. If indomethacin is glucuronidated in the human kidney like probenecid, then this glucuronidation might be reduced or inhibited under probenecid co-medication. (PMID: 8156046 )
Structure
Data?1563866074
Synonyms
ValueSource
Desmethyl-indomethacinHMDB
5-Hydroxyindomethacin sulfate(1:1)HMDB
5-HydroxyindomethacinHMDB
Chemical FormulaC18H14ClNO4
Average Molecular Weight343.761
Monoisotopic Molecular Weight343.061135648
IUPAC Name2-[1-(4-chlorobenzoyl)-5-hydroxy-2-methyl-1H-indol-3-yl]acetic acid
Traditional Name[1-(4-chlorobenzoyl)-5-hydroxy-2-methylindol-3-yl]acetic acid
CAS Registry NumberNot Available
SMILES
CC1=C(CC(O)=O)C2=C(C=CC(O)=C2)N1C(=O)C1=CC=C(Cl)C=C1
InChI Identifier
InChI=1S/C18H14ClNO4/c1-10-14(9-17(22)23)15-8-13(21)6-7-16(15)20(10)18(24)11-2-4-12(19)5-3-11/h2-8,21H,9H2,1H3,(H,22,23)
InChI KeyKMLNWQPYFBIALN-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoylindoles. These are organic compounds containing an indole attached to a benzoyl moiety through the acyl group.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassBenzoylindoles
Direct ParentBenzoylindoles
Alternative Parents
Substituents
  • Benzoylindole
  • Indole-3-acetic acid derivative
  • Indolyl carboxylic acid derivative
  • Indolecarboxylic acid derivative
  • 4-halobenzoic acid or derivatives
  • Halobenzoic acid or derivatives
  • 3-alkylindole
  • Hydroxyindole
  • Indole
  • Benzoic acid or derivatives
  • Benzoyl
  • 1-hydroxy-2-unsubstituted benzenoid
  • Chlorobenzene
  • Halobenzene
  • Monocyclic benzene moiety
  • Benzenoid
  • Aryl chloride
  • Substituted pyrrole
  • Aryl halide
  • Pyrrole
  • Heteroaromatic compound
  • Azacycle
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organooxygen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organonitrogen compound
  • Organochloride
  • Organohalogen compound
  • Organopnictogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.015 g/LALOGPS
logP3.59ALOGPS
logP3.38ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)3.73ChemAxon
pKa (Strongest Basic)-2.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area79.53 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity90.33 m³·mol⁻¹ChemAxon
Polarizability34.44 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+181.32730932474
DeepCCS[M-H]-178.96930932474
DeepCCS[M-2H]-213.24630932474
DeepCCS[M+Na]+188.47430932474
AllCCS[M+H]+176.632859911
AllCCS[M+H-H2O]+173.532859911
AllCCS[M+NH4]+179.532859911
AllCCS[M+Na]+180.332859911
AllCCS[M-H]-176.032859911
AllCCS[M+Na-2H]-175.232859911
AllCCS[M+HCOO]-174.332859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
O-DesmethylindomethacinCC1=C(CC(O)=O)C2=C(C=CC(O)=C2)N1C(=O)C1=CC=C(Cl)C=C14484.4Standard polar33892256
O-DesmethylindomethacinCC1=C(CC(O)=O)C2=C(C=CC(O)=C2)N1C(=O)C1=CC=C(Cl)C=C12550.7Standard non polar33892256
O-DesmethylindomethacinCC1=C(CC(O)=O)C2=C(C=CC(O)=C2)N1C(=O)C1=CC=C(Cl)C=C13185.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
O-Desmethylindomethacin,1TMS,isomer #1CC1=C(CC(=O)O[Si](C)(C)C)C2=CC(O)=CC=C2N1C(=O)C1=CC=C(Cl)C=C12957.7Semi standard non polar33892256
O-Desmethylindomethacin,1TMS,isomer #2CC1=C(CC(=O)O)C2=CC(O[Si](C)(C)C)=CC=C2N1C(=O)C1=CC=C(Cl)C=C13023.4Semi standard non polar33892256
O-Desmethylindomethacin,2TMS,isomer #1CC1=C(CC(=O)O[Si](C)(C)C)C2=CC(O[Si](C)(C)C)=CC=C2N1C(=O)C1=CC=C(Cl)C=C12976.1Semi standard non polar33892256
O-Desmethylindomethacin,1TBDMS,isomer #1CC1=C(CC(=O)O[Si](C)(C)C(C)(C)C)C2=CC(O)=CC=C2N1C(=O)C1=CC=C(Cl)C=C13209.9Semi standard non polar33892256
O-Desmethylindomethacin,1TBDMS,isomer #2CC1=C(CC(=O)O)C2=CC(O[Si](C)(C)C(C)(C)C)=CC=C2N1C(=O)C1=CC=C(Cl)C=C13270.1Semi standard non polar33892256
O-Desmethylindomethacin,2TBDMS,isomer #1CC1=C(CC(=O)O[Si](C)(C)C(C)(C)C)C2=CC(O[Si](C)(C)C(C)(C)C)=CC=C2N1C(=O)C1=CC=C(Cl)C=C13410.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - O-Desmethylindomethacin GC-MS (Non-derivatized) - 70eV, Positivesplash10-01p9-0931000000-08ae12731d1009bab9ae2017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - O-Desmethylindomethacin GC-MS (2 TMS) - 70eV, Positivesplash10-000i-4904200000-d43c7bc4448e17e0ca472017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - O-Desmethylindomethacin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 10V, Positive-QTOFsplash10-004i-0019000000-abf0492a0a23ca9511fc2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 20V, Positive-QTOFsplash10-000j-0975000000-7947cf8b43da961e7f142017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 40V, Positive-QTOFsplash10-000i-3900000000-fba681a2d0d88f7f3dc32017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 10V, Negative-QTOFsplash10-0007-0049000000-57ec60062d75239701c52017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 20V, Negative-QTOFsplash10-006y-0259000000-8a8c589ccae2bd36ca5a2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 40V, Negative-QTOFsplash10-03dr-0930000000-2a8b45256d5adfe18cea2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 10V, Positive-QTOFsplash10-0006-0109000000-c78beb1d062424159de82021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 20V, Positive-QTOFsplash10-000i-0966000000-95e708ac9d20e69a0e9f2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 40V, Positive-QTOFsplash10-000i-0900000000-e31bba49f73999be4ea92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 10V, Negative-QTOFsplash10-0005-0095000000-7c37ad6d5b3366099ab62021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 20V, Negative-QTOFsplash10-0002-1191000000-8d8abc587d2acc238db22021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - O-Desmethylindomethacin 40V, Negative-QTOFsplash10-001i-7950000000-13ee36355249a28d21252021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound159665
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available