Hmdb loader
Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 18:17:27 UTC
Update Date2023-02-21 17:23:25 UTC
HMDB IDHMDB0033554
Secondary Accession Numbers
  • HMDB33554
Metabolite Identification
Common Name2-Methyl-2-octenal
Description2-Methyl-2-octenal belongs to the class of organic compounds known as medium-chain aldehydes. These are an aldehyde with a chain length containing between 6 and 12 carbon atoms. 2-Methyl-2-octenal is a fruity and green tasting compound. Based on a literature review very few articles have been published on 2-Methyl-2-octenal.
Structure
Data?1677000205
Synonyms
ValueSource
(2E)-2-Methyl-2-octenalHMDB
(e)-2-Methyloct-2-enalHMDB
2-Methyl-(2E)-2-octenalHMDB
2-Methyl-(e)-2-octenalHMDB
FEMA 1814HMDB
Chemical FormulaC9H16O
Average Molecular Weight140.2227
Monoisotopic Molecular Weight140.120115134
IUPAC Name(2Z)-2-methyloct-2-enal
Traditional Name(2Z)-2-methyloct-2-enal
CAS Registry Number73757-27-4
SMILES
CCCCC\C=C(\C)C=O
InChI Identifier
InChI=1S/C9H16O/c1-3-4-5-6-7-9(2)8-10/h7-8H,3-6H2,1-2H3/b9-7-
InChI KeyIHZRGRBFNMNNFV-CLFYSBASSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as medium-chain aldehydes. These are an aldehyde with a chain length containing between 6 and 12 carbon atoms.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentMedium-chain aldehydes
Alternative Parents
Substituents
  • Medium-chain aldehyde
  • Enal
  • Alpha,beta-unsaturated aldehyde
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Physiological effect
Disposition
ProcessNot Available
Role
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling Point70.00 to 75.00 °C. @ 8.00 mm HgThe Good Scents Company Information System
Water Solubility183.4 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP3.228 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.44 g/LALOGPS
logP3ALOGPS
logP2.93ChemAxon
logS-2.5ALOGPS
pKa (Strongest Basic)-4.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity44.8 m³·mol⁻¹ChemAxon
Polarizability17.47 ųChemAxon
Number of Rings0ChemAxon
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]+134.1131661259
DarkChem[M-H]-131.46131661259
DeepCCS[M+H]+139.12930932474
DeepCCS[M-H]-136.11930932474
DeepCCS[M-2H]-173.35530932474
DeepCCS[M+Na]+148.46530932474
AllCCS[M+H]+135.832859911
AllCCS[M+H-H2O]+131.732859911
AllCCS[M+NH4]+139.632859911
AllCCS[M+Na]+140.732859911
AllCCS[M-H]-137.932859911
AllCCS[M+Na-2H]-140.332859911
AllCCS[M+HCOO]-142.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-Methyl-2-octenalCCCCC\C=C(\C)C=O1430.5Standard polar33892256
2-Methyl-2-octenalCCCCC\C=C(\C)C=O1106.4Standard non polar33892256
2-Methyl-2-octenalCCCCC\C=C(\C)C=O1124.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methyl-2-octenal GC-MS (Non-derivatized) - 70eV, Positivesplash10-005c-9200000000-318f3a610933552958652017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methyl-2-octenal GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Methyl-2-octenal 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 - 2-Methyl-2-octenal 10V, Positive-QTOFsplash10-0006-1900000000-f3b171fc568f988f61ae2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 20V, Positive-QTOFsplash10-007o-9500000000-8be9922d67ab59de745e2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 40V, Positive-QTOFsplash10-05mo-9000000000-d76acf71ff7674cd94d82017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 10V, Negative-QTOFsplash10-000i-0900000000-b8ddabd83d27af97444e2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 20V, Negative-QTOFsplash10-03dr-0900000000-a1f7d46f213a900872812017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 40V, Negative-QTOFsplash10-08fr-9500000000-176ecc74f484ab9656182017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 10V, Negative-QTOFsplash10-01w0-0900000000-f1e1be55ca1067fd09fc2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 20V, Negative-QTOFsplash10-0a4i-0900000000-85df45893cb3130d961e2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 40V, Negative-QTOFsplash10-014i-9000000000-6dc8233ff6e319a912652021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 10V, Positive-QTOFsplash10-05nf-9000000000-121b1344cc3355daa2f72021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 20V, Positive-QTOFsplash10-05nf-9000000000-ce4c18673fbbe43e33292021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Methyl-2-octenal 40V, Positive-QTOFsplash10-05mo-9000000000-1c189ee5931f47f34b7d2021-09-25Wishart 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 IDFDB011620
KNApSAcK IDNot Available
Chemspider ID30777021
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound12678555
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1594301
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.. .