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Record Information
Version3.6
Creation Date2007-01-22 22:44:31 UTC
Update Date2016-02-11 01:07:17 UTC
HMDB IDHMDB05801
Secondary Accession NumbersNone
Metabolite Identification
Common NameKaempferol
DescriptionKaempferol is a natural flavonoid which has been isolated from Delphinium, Witch-hazel, grapefruit, and other plant sources. Kaempferol is a yellow crystalline solid with a melting point of 276-278 degree centigrade. It is slightly soluble in water, and well soluble in hot ethanol and diethyl ether.
Structure
Thumb
Synonyms
ValueSource
3,4',5,7-TetrahydroxyflavoneKegg
3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-oneKegg
5,7,4'-TrihydroxyflavonolKegg
C.I. 75640Kegg
indigo YellowKegg
KaempherolKegg
KempferolKegg
NimbecetinKegg
PelargidenolonKegg
PopulnetinKegg
RhamnoluteinKegg
RhamnolutinKegg
RobigeninKegg
SwartziolKegg
TrifolitinKegg
3,4',5,7-Tetrahydroxy-flavone (7ci,8ci)HMDB
3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-oneHMDB
KampferolHMDB
KampherolHMDB
Chemical FormulaC15H10O6
Average Molecular Weight286.2363
Monoisotopic Molecular Weight286.047738052
IUPAC Name3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one
Traditional Namekaempferol
CAS Registry Number520-18-3
SMILES
OC1=CC=C(C=C1)C1=C(O)C(=O)C2=C(O1)C=C(O)C=C2O
InChI Identifier
InChI=1S/C15H10O6/c16-8-3-1-7(2-4-8)15-14(20)13(19)12-10(18)5-9(17)6-11(12)21-15/h1-6,16-18,20H
InChI KeyInChIKey=IYRMWMYZSQPJKC-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as flavonols. These are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavones
Direct ParentFlavonols
Alternative Parents
Substituents
  • 3-hydroxyflavone
  • Hydroxyflavonoid
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 3-hydroxyflavonoid
  • Chromone
  • 1-benzopyran
  • Benzopyran
  • Resorcinol
  • Pyranone
  • Phenol
  • Benzenoid
  • Pyran
  • Monocyclic benzene moiety
  • Heteroaromatic compound
  • Vinylogous acid
  • Polyol
  • Oxacycle
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
StatusDetected and Quantified
Origin
  • Food
  • Plant
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Membrane (predicted from logP)
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point285 - 287 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.18 mg/mLALOGPS
logP1.99ALOGPS
logP2.46ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)6.44ChemAxon
pKa (Strongest Basic)-3.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area107.22 Å2ChemAxon
Rotatable Bond Count1ChemAxon
Refractivity74.88 m3·mol-1ChemAxon
Polarizability27.59 Å3ChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies)splash10-0079-1963700000-1d3775db7c536f63b70cView in MoNA
GC-MSGC-MS Spectrum - GC-MS (5 TMS)splash10-0bt9-0000290000-4a7068686e907a319864View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-000i-0090000000-f0101bac1cb6491794f5View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-000i-0690000000-3afcadc746823bc03ebdView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0v4i-5900000000-6a870572cf8a486dd6b7View in MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (JEOL JMS-06-H) , Positivesplash10-000i-4290000000-75bfe61cc0a42797e86aView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) 5V, Positivesplash10-000i-0090000000-ead9f201b8c5b6b6e46eView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-000i-0190000000-2bc892de84e0225a49cfView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-052u-1930000000-08779ff26cd586d78e41View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-0udr-0920000000-97d144af795812440c46View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-000i-0290000000-5573e7fd91cf25805a11View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-014s-2920000000-397e01f2d2cf07025409View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-014i-1920000000-891ca58b63b857f31594View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITTOF (LCMS-IT-TOF) , Negativesplash10-0079-0090040000-5111d04af3f3d3e053c7View in MoNA
1D NMR1H NMR SpectrumNot Available
1D NMR1H NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biofluid Locations
  • Blood
  • Urine
Tissue LocationNot Available
PathwaysNot Available
Normal Concentrations
BiofluidStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot ApplicableNot AvailableNot AvailableConsuming polyphenols described by Phenol-Explorer entry 290
  • Not Applicable
details
BloodExpected but not QuantifiedNot ApplicableNot AvailableNot AvailableConsuming polyphenols described by Phenol-Explorer entry 290
  • Not Applicable
details
BloodDetected and Quantified0.010 +/- 0.0078 uMAdult (>18 years old)FemaleNormal details
UrineDetected and Quantified40 umol/mmol creatinineAdult (>18 years old)Both
Normal
details
UrineDetected and Quantified40 umol/mmol creatinineAdult (>18 years old)Both
Normal
details
UrineExpected but not QuantifiedNot ApplicableNot AvailableNot AvailableConsuming polyphenols described by Phenol-Explorer entry 290
  • Not Applicable
details
UrineExpected but not QuantifiedNot ApplicableNot AvailableNot AvailableConsuming polyphenols described by Phenol-Explorer entry 290
  • Not Applicable
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound ID290
Phenol Explorer Metabolite ID290
FoodDB IDFDB000633
KNApSAcK IDC00004565
Chemspider ID4444395
KEGG Compound IDC05903
BioCyc IDCPD-8034
BiGG IDNot Available
Wikipedia Linkkaempferol
NuGOwiki LinkHMDB05801
Metagene LinkHMDB05801
METLIN IDNot Available
PubChem Compound5280863
PDB IDKMP
ChEBI ID28499
References
Synthesis ReferenceWuth, B. Indigo Yellow. Faerber-Zeitung (1912), 22 343-5. CODEN: FAZTAZ CAN 6:966 AN 1912:966
Material Safety Data Sheet (MSDS)Download (PDF)
General ReferencesNot Available