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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 12:53:35 UTC
Update Date2022-11-23 22:25:18 UTC
HMDB IDHMDB0253978
Secondary Accession NumbersNone
Metabolite Identification
Common NameLapachol
Descriptionlapachol belongs to the class of organic compounds known as naphthoquinones. Naphthoquinones are compounds containing a naphthohydroquinone moiety, which consists of a benzene ring linearly fused to a bezene-1,4-dione (quinone). Based on a literature review very few articles have been published on lapachol. This compound has been identified in human blood as reported by (PMID: 31557052 ). Lapachol is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Lapachol is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphtho-quinoneMeSH
Lapachol, sodium saltMeSH
Chemical FormulaC15H14O3
Average Molecular Weight242.274
Monoisotopic Molecular Weight242.094294311
IUPAC Name4-hydroxy-3-(3-methylbut-2-en-1-yl)-1,2-dihydronaphthalene-1,2-dione
Traditional Namelapachol
CAS Registry NumberNot Available
SMILES
CC(C)=CCC1=C(O)C2=CC=CC=C2C(=O)C1=O
InChI Identifier
InChI=1S/C15H14O3/c1-9(2)7-8-12-13(16)10-5-3-4-6-11(10)14(17)15(12)18/h3-7,16H,8H2,1-2H3
InChI KeyCWPGNVFCJOPXFB-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as naphthoquinones. Naphthoquinones are compounds containing a naphthohydroquinone moiety, which consists of a benzene ring linearly fused to a bezene-1,4-dione (quinone).
KingdomOrganic compounds
Super ClassBenzenoids
ClassNaphthalenes
Sub ClassNaphthoquinones
Direct ParentNaphthoquinones
Alternative Parents
Substituents
  • Naphthoquinone
  • 1-naphthol
  • Aryl ketone
  • Quinone
  • Vinylogous acid
  • Cyclic ketone
  • Ketone
  • Enol
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
logP2.26ALOGPS
logP3.06ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)5.68ChemAxon
pKa (Strongest Basic)-6.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity71.62 m³·mol⁻¹ChemAxon
Polarizability25.96 ųChemAxon
Number of Rings2ChemAxon
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]+153.53230932474
DeepCCS[M-H]-151.17430932474
DeepCCS[M-2H]-184.10830932474
DeepCCS[M+Na]+159.62530932474
AllCCS[M+H]+154.732859911
AllCCS[M+H-H2O]+150.832859911
AllCCS[M+NH4]+158.332859911
AllCCS[M+Na]+159.332859911
AllCCS[M-H]-158.532859911
AllCCS[M+Na-2H]-158.332859911
AllCCS[M+HCOO]-158.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
lapacholCC(C)=CCC1=C(O)C2=CC=CC=C2C(=O)C1=O3175.2Standard polar33892256
lapacholCC(C)=CCC1=C(O)C2=CC=CC=C2C(=O)C1=O1985.4Standard non polar33892256
lapacholCC(C)=CCC1=C(O)C2=CC=CC=C2C(=O)C1=O2027.6Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Lapachol GC-MS (Non-derivatized) - 70eV, Positivesplash10-06si-4890000000-3abaa04f11a56fc4cd162021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Lapachol GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Lapachol GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Lapachol GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 10V, Positive-QTOFsplash10-000i-0930000000-11b8b7563aa93456c3822021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 20V, Positive-QTOFsplash10-000i-0900000000-a72fcf10ff0c4a7b867c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 40V, Positive-QTOFsplash10-0a4i-1900000000-6a465269ba8c748c73b42021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 10V, Negative-QTOFsplash10-0006-0090000000-b72122e63043a3d3aeba2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 20V, Negative-QTOFsplash10-0006-0290000000-cc90a54e9a65dde464c92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Lapachol 40V, Negative-QTOFsplash10-05g1-2900000000-66074d5a86530f6a69372021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDC00002813
Chemspider ID3747
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkLapachol
METLIN IDNot Available
PubChem Compound3884
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]