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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:42:57 UTC
Update Date2023-02-21 17:20:30 UTC
HMDB IDHMDB0031407
Secondary Accession Numbers
  • HMDB31407
Metabolite Identification
Common NameCyclopentanone
DescriptionCyclopentanone belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. Cyclopentanone is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Thus, cyclopentanone is considered to be an oxygenated hydrocarbon lipid molecule. Cyclopentanone is a cyclic ketone, structurally similar to cyclopentane, consisting of a five-membered ring containing a ketone functional group. Cyclopentanone is a colorless liquid organic compound with a peppermint-like odor. Cyclopentanone is found in various foods, including potato and tomato, and cooked foods, e.g. butter, meats, coffee, roasted peanut. Cyclopentanone is also used as a flavouring ingredient.
Structure
Data?1677000030
Synonyms
ValueSource
KetocyclopentaneChEBI
KetopentamethyleneChEBI
OxocyclopentaneChEBI
3-Acetyl-6-methyl-pyran-2,4(3H)-dioneHMDB
Adipic ketoneHMDB
AdipinketonHMDB
CPHMDB
DumasinHMDB
DumasineHMDB
FEMA 3910HMDB
Chemical FormulaC5H8O
Average Molecular Weight84.1164
Monoisotopic Molecular Weight84.057514878
IUPAC Namecyclopentanone
Traditional Namecyclopentanone
CAS Registry Number120-92-3
SMILES
O=C1CCCC1
InChI Identifier
InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
InChI KeyBGTOWKSIORTVQH-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cyclic ketones. These are organic compounds containing a ketone that is conjugated to a cyclic moiety.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentCyclic ketones
Alternative Parents
Substituents
  • Cyclic ketone
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
Biological locationRoute of exposureSource
ProcessNot Available
Role
Physical Properties
StateLiquid
Experimental Molecular Properties
PropertyValueReference
Melting Point-58 °CNot Available
Boiling Point130.00 to 131.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility60810 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP0.38Not Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility66 g/LALOGPS
logP0.45ALOGPS
logP1.04ChemAxon
logS-0.11ALOGPS
pKa (Strongest Basic)-7.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity23.65 m³·mol⁻¹ChemAxon
Polarizability9.3 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]+115.42331661259
DarkChem[M-H]-109.32731661259
DeepCCS[M+H]+124.86630932474
DeepCCS[M-H]-122.87730932474
DeepCCS[M-2H]-158.27130932474
DeepCCS[M+Na]+132.72330932474
AllCCS[M+H]+119.332859911
AllCCS[M+H-H2O]+114.332859911
AllCCS[M+NH4]+124.032859911
AllCCS[M+Na]+125.432859911
AllCCS[M-H]-119.232859911
AllCCS[M+Na-2H]-123.132859911
AllCCS[M+HCOO]-127.332859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
CyclopentanoneO=C1CCCC11132.6Standard polar33892256
CyclopentanoneO=C1CCCC1727.6Standard non polar33892256
CyclopentanoneO=C1CCCC1773.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Cyclopentanone,1TMS,isomer #1C[Si](C)(C)OC1=CCCC1994.2Semi standard non polar33892256
Cyclopentanone,1TMS,isomer #1C[Si](C)(C)OC1=CCCC11012.9Standard non polar33892256
Cyclopentanone,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC1=CCCC11220.5Semi standard non polar33892256
Cyclopentanone,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC1=CCCC11190.4Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6r-9000000000-b0d14fca06b317eefa202017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6r-9000000000-92f1cd24f64620f953d52017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6u-9000000000-3c7c14d819f4199b47352017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a4i-9000000000-f1b93590417de48fa28b2017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a5c-9000000000-b716805bbbc2ee7bbdd92017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6r-9000000000-b0d14fca06b317eefa202018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6r-9000000000-92f1cd24f64620f953d52018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a6u-9000000000-3c7c14d819f4199b47352018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a4i-9000000000-f1b93590417de48fa28b2018-05-18HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Cyclopentanone EI-B (Non-derivatized)splash10-0a5c-9000000000-b716805bbbc2ee7bbdd92018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Cyclopentanone GC-MS (Non-derivatized) - 70eV, Positivesplash10-054o-9000000000-698c3e6d69d941130df82017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Cyclopentanone GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-0a6r-9000000000-ed4a40412a8936be99222015-03-01Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 10V, Positive-QTOFsplash10-000i-9000000000-9f75287ed439876ec6bb2015-05-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 20V, Positive-QTOFsplash10-000i-9000000000-6098a8ff3941fa76494d2015-05-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 40V, Positive-QTOFsplash10-00kf-9000000000-7172dfe920124ca0c7e82015-05-26Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 10V, Negative-QTOFsplash10-001i-9000000000-56cc5662f41dee4256b92015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 20V, Negative-QTOFsplash10-001i-9000000000-f0cf913f696a7fee27b72015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 40V, Negative-QTOFsplash10-0udl-9000000000-68fa7516bcf7f951fd2b2015-05-27Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 10V, Positive-QTOFsplash10-014u-9000000000-f7112e3af79faf1a4c252021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 20V, Positive-QTOFsplash10-0006-9000000000-ee1f677a224f6d59c24e2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 40V, Positive-QTOFsplash10-0006-9000000000-fd1599f276f5a98110f22021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 10V, Negative-QTOFsplash10-001i-9000000000-1fe8bbf8f6ab17ae0b2b2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 20V, Negative-QTOFsplash10-00lr-9000000000-f46b40e1858ffd30f7172021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Cyclopentanone 40V, Negative-QTOFsplash10-0aou-9000000000-add7efb9ef4338c04b782021-09-24Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-16Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
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 IDFDB003481
KNApSAcK IDC00010807
Chemspider ID8141
KEGG Compound IDC00557
BioCyc IDCYCLOPENTANONE
BiGG IDNot Available
Wikipedia LinkCyclopentanone
METLIN IDNot Available
PubChem Compound8452
PDB IDMFW
ChEBI ID16486
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1017921
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .