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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 09:46:38 UTC
Update Date2021-09-26 23:04:29 UTC
HMDB IDHMDB0252097
Secondary Accession NumbersNone
Metabolite Identification
Common NameEtidocaine
DescriptionEtidocaine belongs to the class of organic compounds known as alpha amino acid amides. These are amide derivatives of alpha amino acids. Etidocaine is a very strong basic compound (based on its pKa). This compound has been identified in human blood as reported by (PMID: 31557052 ). Etidocaine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Etidocaine 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-(Ethylpropylamino)-2',6'-butyroxylidideChEBI
(+-)-N-(2,6-Dimethylphenyl)-2-(ethylpropylamino)butanamideChEBI
EtidocainaChEBI
EtidocainumChEBI
DuranestMeSH
2-(ethylpropylamino)-2',6'-ButyroxylidideMeSH
Chemical FormulaC17H28N2O
Average Molecular Weight276.417
Monoisotopic Molecular Weight276.220163528
IUPAC NameN-(2,6-dimethylphenyl)-2-[ethyl(propyl)amino]butanimidic acid
Traditional Nameetidocaine product
CAS Registry NumberNot Available
SMILES
CCCN(CC)C(CC)C(O)=NC1=C(C)C=CC=C1C
InChI Identifier
InChI=1S/C17H28N2O/c1-6-12-19(8-3)15(7-2)17(20)18-16-13(4)10-9-11-14(16)5/h9-11,15H,6-8,12H2,1-5H3,(H,18,20)
InChI KeyVTUSIVBDOCDNHS-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alpha amino acid amides. These are amide derivatives of alpha amino acids.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acid amides
Alternative Parents
Substituents
  • Alpha-amino acid amide
  • Anilide
  • N-arylamide
  • M-xylene
  • Xylene
  • Monocyclic benzene moiety
  • Fatty amide
  • Benzenoid
  • Fatty acyl
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Tertiary amine
  • Tertiary aliphatic amine
  • Amine
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Not AvailableNot 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
logP3.66ALOGPS
logP2.78ChemAxon
logS-3.8ALOGPS
pKa (Strongest Acidic)4.97ChemAxon
pKa (Strongest Basic)9.4ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area35.83 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity88.23 m³·mol⁻¹ChemAxon
Polarizability33.38 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+171.45230932474
DeepCCS[M-H]-169.09430932474
DeepCCS[M-2H]-201.9830932474
DeepCCS[M+Na]+177.54530932474
AllCCS[M+H]+170.732859911
AllCCS[M+H-H2O]+167.532859911
AllCCS[M+NH4]+173.732859911
AllCCS[M+Na]+174.532859911
AllCCS[M-H]-172.432859911
AllCCS[M+Na-2H]-173.132859911
AllCCS[M+HCOO]-174.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
EtidocaineCCCN(CC)C(CC)C(O)=NC1=C(C)C=CC=C1C2452.5Standard polar33892256
EtidocaineCCCN(CC)C(CC)C(O)=NC1=C(C)C=CC=C1C2002.1Standard non polar33892256
EtidocaineCCCN(CC)C(CC)C(O)=NC1=C(C)C=CC=C1C1954.8Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Etidocaine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0fmj-3910000000-db88968f7e8b8521d31a2021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Etidocaine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Etidocaine GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Etidocaine 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 - Etidocaine 10V, Positive-QTOFsplash10-00b9-1970000000-c8e2000362b4a51d82612016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 20V, Positive-QTOFsplash10-00fr-1900000000-c11c0eca2c66f7aa9c692016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 40V, Positive-QTOFsplash10-0006-9300000000-3baddd74621733d934612016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 10V, Negative-QTOFsplash10-004i-0290000000-e315f2652a3b1978535d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 20V, Negative-QTOFsplash10-05dr-1950000000-7de019524f03a938804b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 40V, Negative-QTOFsplash10-00xr-4900000000-15702a2a8dffb90723f72016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 10V, Positive-QTOFsplash10-004i-0960000000-a33b9f17585a221289f92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 20V, Positive-QTOFsplash10-0ufr-1900000000-f049bccb62b254931d282021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 40V, Positive-QTOFsplash10-0gvo-6900000000-81ad97f4b02324678b632021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 10V, Negative-QTOFsplash10-004i-0090000000-5d9d72791f8fcf054eaa2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 20V, Negative-QTOFsplash10-00or-1930000000-46124d3bcd87b2bb4ec52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Etidocaine 40V, Negative-QTOFsplash10-014i-4900000000-db07b84ccbeb360025652021-10-12Wishart 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 IDDB08987
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC07530
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkEtidocaine
METLIN IDNot Available
PubChem Compound37497
PDB IDNot Available
ChEBI ID4904
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 ]