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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 20:04:25 UTC
Update Date2022-03-07 02:54:22 UTC
HMDB IDHMDB0035129
Secondary Accession Numbers
  • HMDB35129
Metabolite Identification
Common NameCitrunobin
DescriptionCitrunobin belongs to the class of organic compounds known as 2'-hydroxychalcones. These are organic compounds containing chalcone skeleton that carries a hydroxyl group at the 2'-position. Thus, citrunobin is considered to be a flavonoid. Citrunobin has been detected, but not quantified in, citrus and sweet oranges (Citrus sinensis). This could make citrunobin a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on Citrunobin.
Structure
Data?1563862670
SynonymsNot Available
Chemical FormulaC21H20O5
Average Molecular Weight352.3805
Monoisotopic Molecular Weight352.13107375
IUPAC Name(2E)-1-(7-hydroxy-5-methoxy-2,2-dimethyl-2H-chromen-8-yl)-3-(4-hydroxyphenyl)prop-2-en-1-one
Traditional Namecitrunobin
CAS Registry Number126026-23-1
SMILES
COC1=C2C=CC(C)(C)OC2=C(C(=O)\C=C\C2=CC=C(O)C=C2)C(O)=C1
InChI Identifier
InChI=1S/C21H20O5/c1-21(2)11-10-15-18(25-3)12-17(24)19(20(15)26-21)16(23)9-6-13-4-7-14(22)8-5-13/h4-12,22,24H,1-3H3/b9-6+
InChI KeyRPGWAGOTDRYEAD-RMKNXTFCSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 2'-hydroxychalcones. These are organic compounds containing chalcone skeleton that carries a hydroxyl group at the 2'-position.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassLinear 1,3-diarylpropanoids
Sub ClassChalcones and dihydrochalcones
Direct Parent2'-Hydroxychalcones
Alternative Parents
Substituents
  • 2'-hydroxychalcone
  • Hydroxycinnamic acid or derivatives
  • 2,2-dimethyl-1-benzopyran
  • Benzopyran
  • 1-benzopyran
  • Anisole
  • Styrene
  • Aryl ketone
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Phenol
  • Monocyclic benzene moiety
  • Benzenoid
  • Acryloyl-group
  • Enone
  • Vinylogous acid
  • Alpha,beta-unsaturated ketone
  • Ketone
  • Organoheterocyclic compound
  • Ether
  • Oxacycle
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point182 - 184 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.8 mg/L @ 25 °C (est)The Good Scents Company Information System
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.0065 g/LALOGPS
logP4.13ALOGPS
logP4.68ChemAxon
logS-4.7ALOGPS
pKa (Strongest Acidic)8.31ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area75.99 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity101.7 m³·mol⁻¹ChemAxon
Polarizability37.71 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]+185.69630932474
DeepCCS[M-H]-183.33830932474
DeepCCS[M-2H]-216.96830932474
DeepCCS[M+Na]+192.19730932474
AllCCS[M+H]+186.432859911
AllCCS[M+H-H2O]+183.132859911
AllCCS[M+NH4]+189.532859911
AllCCS[M+Na]+190.432859911
AllCCS[M-H]-186.432859911
AllCCS[M+Na-2H]-186.232859911
AllCCS[M+HCOO]-186.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
CitrunobinCOC1=C2C=CC(C)(C)OC2=C(C(=O)\C=C\C2=CC=C(O)C=C2)C(O)=C14296.6Standard polar33892256
CitrunobinCOC1=C2C=CC(C)(C)OC2=C(C(=O)\C=C\C2=CC=C(O)C=C2)C(O)=C13153.4Standard non polar33892256
CitrunobinCOC1=C2C=CC(C)(C)OC2=C(C(=O)\C=C\C2=CC=C(O)C=C2)C(O)=C13339.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Citrunobin,1TMS,isomer #1COC1=CC(O)=C(C(=O)/C=C/C2=CC=C(O[Si](C)(C)C)C=C2)C2=C1C=CC(C)(C)O23138.8Semi standard non polar33892256
Citrunobin,1TMS,isomer #2COC1=CC(O[Si](C)(C)C)=C(C(=O)/C=C/C2=CC=C(O)C=C2)C2=C1C=CC(C)(C)O23151.8Semi standard non polar33892256
Citrunobin,2TMS,isomer #1COC1=CC(O[Si](C)(C)C)=C(C(=O)/C=C/C2=CC=C(O[Si](C)(C)C)C=C2)C2=C1C=CC(C)(C)O23124.4Semi standard non polar33892256
Citrunobin,1TBDMS,isomer #1COC1=CC(O)=C(C(=O)/C=C/C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C2)C2=C1C=CC(C)(C)O23431.9Semi standard non polar33892256
Citrunobin,1TBDMS,isomer #2COC1=CC(O[Si](C)(C)C(C)(C)C)=C(C(=O)/C=C/C2=CC=C(O)C=C2)C2=C1C=CC(C)(C)O23429.3Semi standard non polar33892256
Citrunobin,2TBDMS,isomer #1COC1=CC(O[Si](C)(C)C(C)(C)C)=C(C(=O)/C=C/C2=CC=C(O[Si](C)(C)C(C)(C)C)C=C2)C2=C1C=CC(C)(C)O23702.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Citrunobin GC-MS (Non-derivatized) - 70eV, Positivesplash10-0019-0539000000-45344f3e26c3f27f28c82017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Citrunobin GC-MS (2 TMS) - 70eV, Positivesplash10-00si-2124900000-09a322a5816f54cca5402017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Citrunobin 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 - Citrunobin 10V, Positive-QTOFsplash10-0udi-0019000000-54df904dd8b0ba4436832016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 20V, Positive-QTOFsplash10-0uej-1489000000-8fb8ff7727320f1d04c62016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 40V, Positive-QTOFsplash10-014i-4940000000-442c7d5abd3c42a889512016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 10V, Negative-QTOFsplash10-0udi-0139000000-c3a80286a0b15246e6e02016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 20V, Negative-QTOFsplash10-0pb9-0696000000-182e0e99aa4a744795312016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 40V, Negative-QTOFsplash10-015i-0971000000-dd9b4aa1cd57c31d90802016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 10V, Negative-QTOFsplash10-0udi-0019000000-aef0c8bb9eddc1b1db0d2021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 20V, Negative-QTOFsplash10-100r-0139000000-e1b5ffeeb29c4274b3962021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 40V, Negative-QTOFsplash10-014i-3924000000-3c40558166dfabe3a86a2021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 10V, Positive-QTOFsplash10-0udi-0009000000-5b03a45bfabd225b6c202021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 20V, Positive-QTOFsplash10-001i-0191000000-ebc78f4955c7965feae12021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Citrunobin 40V, Positive-QTOFsplash10-00ou-3962000000-05c300f2c9eadd69f5e92021-09-25Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB013764
KNApSAcK IDC00007098
Chemspider ID24846002
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound14542258
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1847851
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .