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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 17:52:54 UTC
Update Date2021-09-26 23:13:20 UTC
HMDB IDHMDB0257161
Secondary Accession NumbersNone
Metabolite Identification
Common NameResiquimod
DescriptionResiquimod, also known as R 848, belongs to the class of organic compounds known as imidazoquinolines. These are aromatic heterocyclic compounds containing an imidazole ring fused to a quinoline ring system. In some configurations, the imidazole ring shares a nitrogen atom with the quinoline moiety. Based on a literature review a significant number of articles have been published on Resiquimod. This compound has been identified in human blood as reported by (PMID: 31557052 ). Resiquimod is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Resiquimod is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
R 848ChEBI
R-848ChEBI
R848 CompoundMeSH
Chemical FormulaC17H22N4O2
Average Molecular Weight314.3822
Monoisotopic Molecular Weight314.174275968
IUPAC Name1-[2-(ethoxymethyl)-4-imino-1H,4H,5H-imidazo[4,5-c]quinolin-1-yl]-2-methylpropan-2-ol
Traditional Name1-[2-(ethoxymethyl)-4-imino-5H-imidazo[4,5-c]quinolin-1-yl]-2-methylpropan-2-ol
CAS Registry NumberNot Available
SMILES
CCOCC1=NC2=C(N1CC(C)(C)O)C1=CC=CC=C1NC2=N
InChI Identifier
InChI=1S/C17H22N4O2/c1-4-23-9-13-20-14-15(21(13)10-17(2,3)22)11-7-5-6-8-12(11)19-16(14)18/h5-8,22H,4,9-10H2,1-3H3,(H2,18,19)
InChI KeyBXNMTOQRYBFHNZ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as imidazoquinolines. These are aromatic heterocyclic compounds containing an imidazole ring fused to a quinoline ring system. In some configurations, the imidazole ring shares a nitrogen atom with the quinoline moiety.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassQuinolines and derivatives
Sub ClassImidazoquinolines
Direct ParentImidazoquinolines
Alternative Parents
Substituents
  • Imidazoquinoline
  • Aminoquinoline
  • Imidazopyridine
  • Imidazo-[4,5-c]pyridine
  • Aminopyridine
  • Imidolactam
  • Benzenoid
  • Pyridine
  • N-substituted imidazole
  • Azole
  • Imidazole
  • Heteroaromatic compound
  • Tertiary alcohol
  • Dialkyl ether
  • Ether
  • Azacycle
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Amine
  • Alcohol
  • Organopnictogen compound
  • Organic oxygen compound
  • Primary amine
  • Organonitrogen compound
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP1.55ALOGPS
logP1.48ChemAxon
logS-3ALOGPS
pKa (Strongest Acidic)14.93ChemAxon
pKa (Strongest Basic)4.64ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area83.16 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity101.49 m³·mol⁻¹ChemAxon
Polarizability34.95 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]+175.5730932474
DeepCCS[M-H]-173.21230932474
DeepCCS[M-2H]-206.72430932474
DeepCCS[M+Na]+181.95130932474
AllCCS[M+H]+172.732859911
AllCCS[M+H-H2O]+169.532859911
AllCCS[M+NH4]+175.732859911
AllCCS[M+Na]+176.632859911
AllCCS[M-H]-180.032859911
AllCCS[M+Na-2H]-179.932859911
AllCCS[M+HCOO]-179.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
ResiquimodCCOCC1=NC2=C(N1CC(C)(C)O)C1=CC=CC=C1NC2=N3730.1Standard polar33892256
ResiquimodCCOCC1=NC2=C(N1CC(C)(C)O)C1=CC=CC=C1NC2=N2667.6Standard non polar33892256
ResiquimodCCOCC1=NC2=C(N1CC(C)(C)O)C1=CC=CC=C1NC2=N2919.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Resiquimod,2TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C2652.3Semi standard non polar33892256
Resiquimod,2TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C2779.5Standard non polar33892256
Resiquimod,2TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C3485.7Standard polar33892256
Resiquimod,2TMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C2788.8Semi standard non polar33892256
Resiquimod,2TMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C2742.0Standard non polar33892256
Resiquimod,2TMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C3422.9Standard polar33892256
Resiquimod,2TMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O2769.4Semi standard non polar33892256
Resiquimod,2TMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O2790.0Standard non polar33892256
Resiquimod,2TMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O3394.0Standard polar33892256
Resiquimod,3TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C2774.7Semi standard non polar33892256
Resiquimod,3TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C2798.0Standard non polar33892256
Resiquimod,3TMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C)C2=N[Si](C)(C)C)N1CC(C)(C)O[Si](C)(C)C3166.8Standard polar33892256
Resiquimod,2TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3036.6Semi standard non polar33892256
Resiquimod,2TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3153.7Standard non polar33892256
Resiquimod,2TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3[NH]C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3565.0Standard polar33892256
Resiquimod,2TBDMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3115.5Semi standard non polar33892256
Resiquimod,2TBDMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3122.6Standard non polar33892256
Resiquimod,2TBDMS,isomer #2CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3483.6Standard polar33892256
Resiquimod,2TBDMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O3076.3Semi standard non polar33892256
Resiquimod,2TBDMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O3145.5Standard non polar33892256
Resiquimod,2TBDMS,isomer #3CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O3509.2Standard polar33892256
Resiquimod,3TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3267.9Semi standard non polar33892256
Resiquimod,3TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3324.0Standard non polar33892256
Resiquimod,3TBDMS,isomer #1CCOCC1=NC2=C(C3=CC=CC=C3N([Si](C)(C)C(C)(C)C)C2=N[Si](C)(C)C(C)(C)C)N1CC(C)(C)O[Si](C)(C)C(C)(C)C3389.5Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-7190000000-59824670b0b9164d06fd2017-08-28Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TMS_1_3) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Resiquimod GC-MS (TBDMS_1_3) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 10V, Positive-QTOFsplash10-014j-0097000000-e32f486a9b02b2b572fb2017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 20V, Positive-QTOFsplash10-00kb-1091000000-188eb8415720ca5a6ade2017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 40V, Positive-QTOFsplash10-03di-1190000000-bb39dae027afa9f574322017-07-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 10V, Negative-QTOFsplash10-03di-2069000000-e62ca71d2bcdb8e49d102017-07-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 20V, Negative-QTOFsplash10-01ot-4093000000-70249738832fdae359f82017-07-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Resiquimod 40V, Negative-QTOFsplash10-0904-8290000000-1658738428e47839ed022017-07-26Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB06530
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID140330
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkResiquimod
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID36706
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 References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]