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Version5.0
StatusExpected but not Quantified
Creation Date2007-05-22 17:47:57 UTC
Update Date2023-02-21 17:17:15 UTC
HMDB IDHMDB0006215
Secondary Accession Numbers
  • HMDB06215
Metabolite Identification
Common NameNaphthalene epoxide
DescriptionNaphthalene epoxide is an epoxide derivative of naphthalene. The toxicity of naphthalene has to do with the Phase I metabolism of this compound by cytochrome P450 monooxygenases. Deactivation of naphthalene involves epoxidation followed by glutathione conjugation and mercapturic acid formation. Naphthalene is stereoselectively metabolized to form (1R,2S)-Naphthalene epoxide and (1S,2R)-Naphthalene epoxide in the presence of CYP1A1 and CYP1A2, CYP2E1,CYP3A4 and CYP2A6. (PMID: 16959878 ).
Structure
Data?1676999835
Synonyms
ValueSource
1,2-Epoxy-1,2-dihydro-naphthaleneChEBI
1,2-Epoxy-1,2-dihydronaphthaleneChEBI
Naphthalene 1,2-epoxideChEBI
Naphthalene-1,2-oxideChEBI
(1R,2S)-Naphthalene 1,2-oxideHMDB
(1R,2S)-Naphthalene epoxideHMDB
(1S,2R)-Naphthalene epoxideHMDB
Naphthalene oxideMeSH
Chemical FormulaC10H8O
Average Molecular Weight144.1699
Monoisotopic Molecular Weight144.057514878
IUPAC Name1aH,7bH-naphtho[1,2-b]oxirene
Traditional Namenaphthalene 1,2-oxide
CAS Registry Number17180-88-0
SMILES
O1C2C=CC3=CC=CC=C3C12
InChI Identifier
InChI=1S/C10H8O/c1-2-4-8-7(3-1)5-6-9-10(8)11-9/h1-6,9-10H
InChI KeyXQIJIALOJPIKGX-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as naphthalenes. Naphthalenes are compounds containing a naphthalene moiety, which consists of two fused benzene rings.
KingdomOrganic compounds
Super ClassBenzenoids
ClassNaphthalenes
Sub ClassNot Available
Direct ParentNaphthalenes
Alternative Parents
Substituents
  • Naphthalene
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Oxirane
  • Dialkyl ether
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point42 - 46 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.28 g/LALOGPS
logP1.89ALOGPS
logP2.16ChemAxon
logS-2.7ALOGPS
pKa (Strongest Basic)-4.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area9.23 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity43.87 m³·mol⁻¹ChemAxon
Polarizability15.26 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+129.36331661259
DarkChem[M-H]-128.24531661259
DeepCCS[M-2H]-167.31730932474
DeepCCS[M+Na]+142.71430932474
AllCCS[M+H]+130.632859911
AllCCS[M+H-H2O]+125.832859911
AllCCS[M+NH4]+135.032859911
AllCCS[M+Na]+136.332859911
AllCCS[M-H]-129.632859911
AllCCS[M+Na-2H]-130.032859911
AllCCS[M+HCOO]-130.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Naphthalene epoxideO1C2C=CC3=CC=CC=C3C122154.7Standard polar33892256
Naphthalene epoxideO1C2C=CC3=CC=CC=C3C121263.6Standard non polar33892256
Naphthalene epoxideO1C2C=CC3=CC=CC=C3C121359.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Naphthalene epoxide GC-MS (Non-derivatized) - 70eV, Positivesplash10-0uxu-2900000000-e84064a3b15c22a5914c2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Naphthalene epoxide 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 - Naphthalene epoxide 10V, Positive-QTOFsplash10-0002-0900000000-5aff1280129785371f262016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 20V, Positive-QTOFsplash10-0002-0900000000-66a68d89f7015a3f31f12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 40V, Positive-QTOFsplash10-0ufr-9700000000-b2e8be3e7c52a819eb512016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 10V, Negative-QTOFsplash10-0006-0900000000-23b5df797bc3a77172292016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 20V, Negative-QTOFsplash10-0006-0900000000-f1807aa3b201ed5940bd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 40V, Negative-QTOFsplash10-0gbc-1900000000-a731e9b1bc1978205e812016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 10V, Positive-QTOFsplash10-0002-0900000000-01021bbc4e7907ed0b712021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 20V, Positive-QTOFsplash10-0002-0900000000-01021bbc4e7907ed0b712021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 40V, Positive-QTOFsplash10-0002-2900000000-7db27279bf697d0e2a3e2021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 10V, Negative-QTOFsplash10-0006-0900000000-30f2eda2e9ea79c655632021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 20V, Negative-QTOFsplash10-0006-0900000000-30f2eda2e9ea79c655632021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Naphthalene epoxide 40V, Negative-QTOFsplash10-0006-0900000000-5c9720b6595af23b8c702021-09-25Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-18Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
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 IDFDB023839
KNApSAcK IDNot Available
Chemspider ID97165
KEGG Compound IDNot Available
BioCyc IDCPD-20311
BiGG ID2299951
Wikipedia LinkBenzo(a)pyrene
METLIN IDNot Available
PubChem Compound108063
PDB IDNot Available
ChEBI ID52431
Food Biomarker OntologyNot Available
VMH IDONPTHL
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceVogel, E.; Klaerner, F. G. 1,2-Naphthalene oxide. Angewandte Chemie, International Edition in English (1968), 7(5), 374-5.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Chang JH, Kochansky CJ, Shou M: The role of P-glycoprotein in the bioactivation of raloxifene. Drug Metab Dispos. 2006 Dec;34(12):2073-8. Epub 2006 Sep 7. [PubMed:16959878 ]

Only showing the first 10 proteins. There are 20 proteins in total.

Enzymes

General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.
Gene Name:
GSTM2
Uniprot ID:
P28161
Molecular weight:
25744.395
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.
Gene Name:
GSTM1
Uniprot ID:
P09488
Molecular weight:
25711.555
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in protein disulfide oxidoreductase activity
Specific function:
Significant glutathione conjugating activity is found only with the model substrate, 1-chloro-2,4-dinitrobenzene (CDNB).
Gene Name:
GSTK1
Uniprot ID:
Q9Y2Q3
Molecular weight:
31565.605
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Also functions as a glutathione peroxidase.
Gene Name:
MGST3
Uniprot ID:
O14880
Molecular weight:
16516.185
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles. May govern uptake and detoxification of both endogenous compounds and xenobiotics at the testis and brain blood barriers.
Gene Name:
GSTM3
Uniprot ID:
P21266
Molecular weight:
26559.32
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.
Gene Name:
GSTA1
Uniprot ID:
P08263
Molecular weight:
25630.785
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles. Has a wide substrate specificity.
Gene Name:
MGST1
Uniprot ID:
P10620
Molecular weight:
17598.45
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles. Active on 1-chloro-2,4-dinitrobenzene.
Gene Name:
GSTM4
Uniprot ID:
Q03013
Molecular weight:
25561.095
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in glutathione transferase activity
Specific function:
Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles.
Gene Name:
GSTM5
Uniprot ID:
P46439
Molecular weight:
25674.455
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails
General function:
Involved in enzyme activator activity
Specific function:
Can catalyze the production of LTC4 from LTA4 and reduced glutathione. Can catalyze the conjugation of 1-chloro-2,4-dinitrobenzene with reduced glutathione.
Gene Name:
MGST2
Uniprot ID:
Q99735
Molecular weight:
16620.4
Reactions
Naphthalene epoxide + Glutathione → (1R)-Hydroxy-(2R)-glutathionyl-1,2-dihydronaphthalenedetails

Only showing the first 10 proteins. There are 20 proteins in total.