Record Information
Version1.0
Created at2020-04-17 18:47:44 UTC
Updated at2020-12-07 19:11:12 UTC
CannabisDB IDCDB004893
Secondary Accession NumbersNot Available
Cannabis Compound Identification
Common NameCoumarin
DescriptionCoumarin, also known as 1,2-benzopyrone or rattex, belongs to the class of organic compounds known as coumarins and derivatives. These are polycyclic aromatic compounds containing a 1-benzopyran moiety with a ketone group at the C2 carbon atom (1-benzopyran-2-one). These investigations have revealed significant species differences in coumarin metabolism and toxicity such that the mechanism of coumarin induced effects in rodents, and the relevance of these findings for the safety assessment of coumarin exposure in humans are now better understood. The parent compound, coumarin, occurs naturally in many plants, natural spices, and foods such as tonka bean, cassia (bastard cinnamon or Chinese cinnamon), cinnamon, melilot (sweet clover), green tea, peppermint, celery, bilberry, lavender, honey (derived both from sweet clover and lavender), and carrots, as well as in beer, tobacco, wine, and other foodstuffs. EFSA recommended a TDI of 0 to 0.1 mg/kg BW/day. Coumarin is an extremely weak basic (essentially neutral) compound (based on its pKa). In humans, coumarin is involved in nicotine action pathway. Coumarin is a sweet, bitter, and green tasting compound. Outside of the human body, Coumarin has been detected, but not quantified in, several different foods, such as jicama, gooseberries, parsley, colorado pinyons, and tree ferns. This could make coumarin a potential biomarker for the consumption of these foods. Coumarin is a potentially toxic compound. Coumarin is expected to be in Cannabis as all living plants are known to produce and metabolize it.
Structure
Thumb
Synonyms
ValueSource
1,2-BenzopyroneChEBI
2-Propenoic acid, 3-(2-hydroxyphenyl)-, D-lactoneChEBI
2-Propenoic acid, 3-(2-hydroxyphenyl)-, delta-lactoneChEBI
2H-1-Benzopyran-2-oneChEBI
2H-Benzo[b]pyran-2-oneChEBI
5,6-Benzo-2-pyroneChEBI
Benzo-a-pyroneChEBI
Benzo-alpha-pyroneChEBI
cis-O-Coumarinic acid lactoneChEBI
CoumarineChEBI
Coumarinic anhydrideChEBI
CumarinChEBI
O-Hydroxycinnamic acid delta-lactoneChEBI
O-Hydroxycinnamic acid lactoneChEBI
RattexChEBI
Tonka bean camphorChEBI
Venalot monoKegg
2-Propenoate, 3-(2-hydroxyphenyl)-, D-lactoneGenerator
2-Propenoate, 3-(2-hydroxyphenyl)-, delta-lactoneGenerator
2-Propenoate, 3-(2-hydroxyphenyl)-, δ-lactoneGenerator
2-Propenoic acid, 3-(2-hydroxyphenyl)-, δ-lactoneGenerator
Benzo-α-pyroneGenerator
cis-O-Coumarinate lactoneGenerator
O-Hydroxycinnamate delta-lactoneGenerator
O-Hydroxycinnamate δ-lactoneGenerator
O-Hydroxycinnamic acid δ-lactoneGenerator
O-Hydroxycinnamate lactoneGenerator
5,6-Benzo-alpha-pyroneMeSH
1, 2-BenzopyroneHMDB
2-oxo-1,2-BenzopyranHMDB
2-oxo-2H-1-BenzopyranHMDB
2H-Chromen-2-oneHMDB
2H-Chromen-2-one (acd/name 4.0)HMDB
KumarinHMDB
O-Hydroxycinnamic lactoneHMDB
O-Hydroxyzimtsaure-lactonHMDB
{2h-benzo[b]pyran-2-one}HMDB
Chemical FormulaC9H6O2
Average Molecular Weight146.15
Monoisotopic Molecular Weight146.0368
IUPAC Name2H-chromen-2-one
Traditional Namecoumarin
CAS Registry Number91-64-5
SMILES
O=C1OC2=CC=CC=C2C=C1
InChI Identifier
InChI=1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H
InChI KeyZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as coumarins and derivatives. These are polycyclic aromatic compounds containing a 1-benzopyran moiety with a ketone group at the C2 carbon atom (1-benzopyran-2-one).
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassCoumarins and derivatives
Sub ClassNot Available
Direct ParentCoumarins and derivatives
Alternative Parents
Substituents
  • Coumarin
  • 1-benzopyran
  • Benzopyran
  • Pyranone
  • Benzenoid
  • Pyran
  • Heteroaromatic compound
  • Lactone
  • Oxacycle
  • Organoheterocyclic compound
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Disposition

Route of exposure:

Source:

Biological location:

Role

Industrial application:

Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point71 °CNot Available
Boiling Point301.71 °CWikipedia
Water Solubility1.9 mg/mLNot Available
logP2.23Not Available
Predicted Properties
PropertyValueSource
logP1.72ALOGPS
logP1.78ChemAxon
logS-2.2ALOGPS
pKa (Strongest Basic)-6.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.3 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity41.55 m³·mol⁻¹ChemAxon
Polarizability14.36 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
EI-MSMass Spectrum (Electron Ionization)splash10-00kb-9700000000-7a649c1e257a7ad17b9d2014-09-20View Spectrum
GC-MSCoumarin, non-derivatized, GC-MS Spectrumsplash10-014v-6900000000-3e901733dc003512f338Spectrum
GC-MSCoumarin, non-derivatized, GC-MS Spectrumsplash10-00kb-8900000000-89e86d11a0dc2841af42Spectrum
GC-MSCoumarin, non-derivatized, GC-MS Spectrumsplash10-014i-7900000000-25bab36f91f71ac65817Spectrum
GC-MSCoumarin, non-derivatized, GC-MS Spectrumsplash10-02tj-9600000000-4a54f8d648a87a9c5811Spectrum
GC-MSCoumarin, non-derivatized, GC-MS Spectrumsplash10-014v-6900000000-3e901733dc003512f338Spectrum
Predicted GC-MSCoumarin, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-0gba-2900000000-12d24ebfbc2cbaa9d2e0Spectrum
Predicted GC-MSCoumarin, non-derivatized, Predicted GC-MS Spectrum - 70eV, PositiveNot AvailableSpectrum
MS/MS
TypeDescriptionSplash KeyView
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-0002-0900000000-6ef9288c71771dd567742012-07-24View Spectrum
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-0006-9100000000-93154d9b40c4d0fdd1ae2012-07-24View Spectrum
MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-014i-9000000000-72ec22913d1d574be75b2012-07-24View Spectrum
MS/MSLC-MS/MS Spectrum - EI-B (HITACHI RMU-7L) , Positivesplash10-00kb-8900000000-89e86d11a0dc2841af422012-08-31View Spectrum
MS/MSLC-MS/MS Spectrum - EI-B (HITACHI RMU-6M) , Positivesplash10-014i-7900000000-25bab36f91f71ac658172012-08-31View Spectrum
MS/MSLC-MS/MS Spectrum - EI-B (JEOL JMS-AX-505-H) , Positivesplash10-02tj-9600000000-6e4062e14fc72534c96a2012-08-31View Spectrum
MS/MSLC-MS/MS Spectrum - DI-ESI-qTof , Positivesplash10-015a-0900000100-6ae81e23a1a6770a9f592017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - Linear Ion Trap , negativesplash10-000i-9200000000-38161abf759afe5aa9702017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0002-0900000000-c06b97954c5a847401e82017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0002-1900000000-6f05165347e6221503b02017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0f6x-8900000000-6e9532ad6b20b76b3d4b2017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0006-9300000000-3f95abb339f5c1aea7902017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0006-9200000000-c404268b480236aaf1972017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0f6x-9500000000-da852779b618f093b7672017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0006-9300000000-c29bd55b8ca9510aec2f2017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0006-9100000000-161d49edf4310e8a785c2017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0002-0900000000-3777f28f5438e1f091602017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0udi-0900000000-bfe432f57faff8d623182017-09-14View Spectrum
MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0089-0000800900-d301ec3931fa0374d57a2017-09-14View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0002-0900000000-e5519a8faf9232fc0fcc2015-05-27View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0002-0900000000-a6dc6c6c3032891bd1342015-05-27View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0udi-4900000000-139cc9674e0b2836e4412015-05-27View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-0900000000-e1154242f99d56bc5ed42015-05-27View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0002-0900000000-d6df7c01bbecf91182c92015-05-27View Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0udi-1900000000-961e88f9b351b2d27bec2015-05-27View Spectrum
NMR
TypeDescriptionView
1D NMR1H NMR Spectrum (1D, 500 MHz, CDCl3, experimental)Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental)Spectrum
1D NMR13C NMR Spectrum (1D, 15.09 MHz, CDCl3, experimental)Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental)Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental)Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental)Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental)Spectrum
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, CDCl3, experimental)Spectrum
Pathways
Pathways
Protein Targets
EnzymesNot Available
TransportersNot Available
Metal Bindings
Protein NameGene NameLocusUniprot IDDetails
Cytochrome P450 2A13CYP2A1319q13.2Q16696 details
Cytochrome P450 2A6CYP2A619q13.2P11509 details
ReceptorsNot Available
Transcriptional FactorsNot Available
Concentrations Data
Not Available
HMDB IDHMDB0001218
DrugBank IDDB04665
Phenol Explorer Compound ID635
FoodDB IDFDB011938
KNApSAcK IDC00002460
Chemspider ID13848793
KEGG Compound IDC05851
BioCyc IDCOUMARIN
BiGG ID46647
Wikipedia LinkCoumarin
METLIN ID3525
PubChem Compound323
PDB IDNot Available
ChEBI ID28794
References
General ReferencesNot Available