Record Information
Version1.0
Creation Date2014-09-11 05:16:58 UTC
Update Date2016-11-09 01:09:13 UTC
Accession NumberCHEM003752
Identification
Common NameKaempferol
ClassSmall Molecule
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.
Contaminant Sources
  • FooDB Chemicals
  • HMDB Contaminants - Urine
  • IARC Carcinogens Group 3
  • STOFF IDENT Compounds
  • T3DB toxins
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Ester
  • Food Toxin
  • Metabolite
  • Natural Compound
  • Organic Compound
  • Plant Toxin
Chemical Structure
Thumb
Synonyms
ValueSource
3,4',5,7-TetrahydroxyflavoneChEBI
4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(4-hydroxyphenyl)-5,7,4'-trihydroxyflavonolChEBI
5,7,4'-TrihydroxyflavonolChEBI
C.I. 75640ChEBI
CampherolChEBI
Indigo yellowChEBI
KaempherolChEBI
KampherolChEBI
KempferolChEBI
NimbecetinChEBI
PelargidenolonChEBI
PopulnetinChEBI
RhamnoluteinChEBI
RhamnolutinChEBI
RobigeninChEBI
SwartziolChEBI
TrifolitinChEBI
3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-oneKegg
3,4',5,7-Tetrahydroxy-flavone (7ci,8ci)HMDB
3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-oneHMDB
KampferolHMDB
3,4’,5,7-TetrahydroxyflavonePhytoBank
3,5,7,4'-TetrahydroxyflavonePhytoBank
3,5,7,4’-TetrahydroxyflavonePhytoBank
3'-DeoxyquercetinPhytoBank
3’-DeoxyquercetinPhytoBank
5,7,4’-TrihydroxyflavonolPhytoBank
KaemferolPhytoBank
KaempferolPhytoBank
KampcetinPhytoBank
PelargidenonPhytoBank
Chemical FormulaC15H10O6
Average Molecular Mass286.236 g/mol
Monoisotopic Mass286.048 g/mol
CAS Registry Number520-18-3
IUPAC Name3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one
Traditional Namekaempferol
SMILESOC1=CC=C(C=C1)C1=C(O)C(=O)C2=C(O1)C=C(O)C=C2O
InChI IdentifierInChI=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 KeyIYRMWMYZSQPJKC-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as flavonols. Flavonols 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
  • 3-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Hydroxyflavonoid
  • Chromone
  • Benzopyran
  • 1-benzopyran
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Pyranone
  • Monocyclic benzene moiety
  • Pyran
  • Benzenoid
  • Heteroaromatic compound
  • Vinylogous acid
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting Point277°C
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.18 g/LALOGPS
logP1.99ALOGPS
logP2.46ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)6.38ChemAxon
pKa (Strongest Basic)-3.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area107.22 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity74.88 m³·mol⁻¹ChemAxon
Polarizability27.59 ųChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0079-1963700000-1d3775db7c536f63b70cSpectrum
GC-MSGC-MS Spectrum - GC-MS (5 TMS)splash10-0bt9-0000290000-4a7068686e907a319864Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-000i-4290000000-ccb984ce16e32c25d878Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0079-1963700000-1d3775db7c536f63b70cSpectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0bt9-0000290000-4a7068686e907a319864Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-052r-0590000000-3bfd778520b9c39bc4baSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (4 TMS) - 70eV, Positivesplash10-0mc0-2150190000-3a2826fb2ce8460675bcSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-000i-0090000000-f0101bac1cb6491794f5Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-000i-0690000000-3afcadc746823bc03ebdSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-0v4i-5900000000-6a870572cf8a486dd6b7Spectrum
LC-MS/MSLC-MS/MS Spectrum - EI-B (JEOL JMS-06-H) , Positivesplash10-000i-4290000000-75bfe61cc0a42797e86aSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) 5V, Positivesplash10-000i-0090000000-ead9f201b8c5b6b6e46eSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-000i-0190000000-2bc892de84e0225a49cfSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-052u-1930000000-08779ff26cd586d78e41Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-0udr-0920000000-97d144af795812440c46Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-000i-0290000000-5573e7fd91cf25805a11Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-014s-2920000000-397e01f2d2cf07025409Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-014i-1920000000-891ca58b63b857f31594Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-ITTOF (LCMS-IT-TOF) , Negativesplash10-0079-0090040000-5111d04af3f3d3e053c7Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 40V, Negativesplash10-000i-0950000000-580cab3c0e471a3f4e00Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF , Negativesplash10-000i-0950000000-580cab3c0e471a3f4e00Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 50V, Negativesplash10-066r-0930000000-f40d69c592d60004cae0Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 20V, Negativesplash10-066r-0930000000-f40d69c592d60004cae0Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 40V, Negativesplash10-000i-0950000000-580cab3c0e471a3f4e00Spectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF , Negativesplash10-000i-0091000000-295f056c177e6e49fb6bSpectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 50V, Negativesplash10-066r-0930000000-f40d69c592d60004cae0Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000i-0090000000-0d8eaf63d3860cdc1cbfSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-000i-0090000000-3969010f013a967001daSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0gbi-6790000000-5668e7d87a859b519804Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-0090000000-4cba2efdae1d7d094e17Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-000i-0190000000-489c309b159fce3df0d6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-001i-4950000000-9d8aab7149b59126c14aSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)3, not classifiable as to its carcinogenicity to humans. (1)
Uses/SourcesKaempferol is a natural flavonoid which has been isolated from Delphinium, Witch-hazel, grapefruit, and other plant sources.
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDDB01852
HMDB IDHMDB0005801
FooDB IDFDB000633
Phenol Explorer ID290
KNApSAcK IDC00004565
BiGG IDNot Available
BioCyc IDCPD1F-90
METLIN IDNot Available
PDB IDKMP
Wikipedia Linkkaempferol
Chemspider ID4444395
ChEBI ID28499
PubChem Compound ID5280863
Kegg Compound IDC05903
YMDB IDYMDB01722
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSLink
General References
1. https://www.ncbi.nlm.nih.gov/pubmed/?term=12592675
2. https://www.ncbi.nlm.nih.gov/pubmed/?term=15234754
3. https://www.ncbi.nlm.nih.gov/pubmed/?term=17426744
4. https://www.ncbi.nlm.nih.gov/pubmed/?term=28166217
5. Wuth, B. Indigo Yellow. Faerber-Zeitung (1912), 22 343-5. CODEN: FAZTAZ CAN 6:966 AN 1912:966
6. Wuth, B. Indigo Yellow. Faerber-Zeitung (1912), 22 343-5. CODEN: FAZTAZ CAN 6:966 AN 1912:966