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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 23:06:55 UTC
Update Date2023-02-21 17:26:07 UTC
HMDB IDHMDB0037857
Secondary Accession Numbers
  • HMDB37857
Metabolite Identification
Common Name4-Methyl-2-pentyloxazole
Description4-Methyl-2-pentyloxazole belongs to the class of organic compounds known as 2,4-disubstituted oxazoles. 2,4-disubstituted oxazoles are compounds containing an oxazole ring substituted at positions 2 and 4 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole. 4-Methyl-2-pentyloxazole has been detected, but not quantified in, potatos (Solanum tuberosum). This could make 4-methyl-2-pentyloxazole a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 4-Methyl-2-pentyloxazole.
Structure
Data?1677000367
SynonymsNot Available
Chemical FormulaC9H15NO
Average Molecular Weight153.2215
Monoisotopic Molecular Weight153.115364107
IUPAC Name4-methyl-2-pentyl-1,3-oxazole
Traditional Name4-methyl-2-pentyl-1,3-oxazole
CAS Registry Number52713-58-3
SMILES
CCCCCC1=NC(C)=CO1
InChI Identifier
InChI=1S/C9H15NO/c1-3-4-5-6-9-10-8(2)7-11-9/h7H,3-6H2,1-2H3
InChI KeyQPKLQTHGELMTTA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 2,4-disubstituted oxazoles. 2,4-Disubstituted oxazoles are compounds containing an oxazole ring substituted at positions 2 and 4 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzoles
Sub ClassOxazoles
Direct Parent2,4-disubstituted oxazoles
Alternative Parents
Substituents
  • 2,4-disubstituted 1,3-oxazole
  • Heteroaromatic compound
  • Oxacycle
  • Azacycle
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling Point206.00 to 207.00 °C. @ 760.00 mm Hg (est)The Good Scents Company Information System
Water Solubility117.5 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP3.029 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.23 g/LALOGPS
logP3.62ALOGPS
logP2.2ChemAxon
logS-2.8ALOGPS
pKa (Strongest Basic)1.16ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.03 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity44.23 m³·mol⁻¹ChemAxon
Polarizability18.77 ųChemAxon
Number of Rings1ChemAxon
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]+134.99331661259
DarkChem[M-H]-133.78331661259
DeepCCS[M+H]+141.43730932474
DeepCCS[M-H]-138.13430932474
DeepCCS[M-2H]-175.5330932474
DeepCCS[M+Na]+150.63330932474
AllCCS[M+H]+135.332859911
AllCCS[M+H-H2O]+130.932859911
AllCCS[M+NH4]+139.332859911
AllCCS[M+Na]+140.532859911
AllCCS[M-H]-138.832859911
AllCCS[M+Na-2H]-140.432859911
AllCCS[M+HCOO]-142.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
4-Methyl-2-pentyloxazoleCCCCCC1=NC(C)=CO11380.1Standard polar33892256
4-Methyl-2-pentyloxazoleCCCCCC1=NC(C)=CO11097.5Standard non polar33892256
4-Methyl-2-pentyloxazoleCCCCCC1=NC(C)=CO11100.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 4-Methyl-2-pentyloxazole GC-MS (Non-derivatized) - 70eV, Positivesplash10-004m-9300000000-b5b5f8b56aaa6fb680252017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Methyl-2-pentyloxazole 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 - 4-Methyl-2-pentyloxazole 10V, Positive-QTOFsplash10-0udi-0900000000-85ce91877e3fcb7fc9972016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 20V, Positive-QTOFsplash10-0udi-5900000000-93c620569e4fabe636ed2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 40V, Positive-QTOFsplash10-0006-9000000000-ccb88adbecedf2f940d82016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 10V, Negative-QTOFsplash10-0udi-0900000000-876afa515a82841c7fd92016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 20V, Negative-QTOFsplash10-0fk9-3900000000-f1aebf1a3d935daac0ef2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 40V, Negative-QTOFsplash10-0006-9100000000-0c285619f7d82ce08f3d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 10V, Positive-QTOFsplash10-0udi-5900000000-77fd29a7777ad84689602021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 20V, Positive-QTOFsplash10-0006-9300000000-514d1bd27ba8f1863a392021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 40V, Positive-QTOFsplash10-0536-9000000000-cfcceaa02b40cce33d702021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 10V, Negative-QTOFsplash10-0udi-0900000000-5b91114f7b3c03540b812021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 20V, Negative-QTOFsplash10-0udi-3900000000-71b58e54683f38d3004e2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Methyl-2-pentyloxazole 40V, Negative-QTOFsplash10-00lv-9000000000-de6af81c599a96a436552021-09-23Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Membrane
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 IDFDB017010
KNApSAcK IDNot Available
Chemspider ID458449
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound525789
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1118621
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .