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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 20:55:32 UTC
Update Date2023-02-21 17:24:57 UTC
HMDB IDHMDB0035882
Secondary Accession Numbers
  • HMDB35882
Metabolite Identification
Common Name2-Acetylpyrrole
Description2-Acetylpyrrole, also known as fema 3202 or pyrrole, 2-acetyl, belongs to the class of organic compounds known as aryl alkyl ketones. These are ketones have the generic structure RC(=O)R', where R = aryl group and R'=alkyl group. 2-Acetylpyrrole is a bread, nut, and walnut tasting compound. 2-Acetylpyrrole has been detected, but not quantified, in tea. This could make 2-acetylpyrrole a potential biomarker for the consumption of these foods. A pyrrole carrying an acetyl substituent at the 2-position.
Structure
Data?1677000297
Synonyms
ValueSource
1-(1H-Pyrrol-2-yl)1-ethanoneChEBI
1-(1H-Pyrrol-2-yl)ethan-1-oneChEBI
1-(1H-Pyrrol-2-yl)ethanoneChEBI
1-(1H-Pyrrole-2-yl)-ethanoneChEBI
1-(2-Pyrrolyl)-1-ethanoneChEBI
2-Acetyl-1H-pyrroleChEBI
2-Pyrrolyl methyl ketoneChEBI
2-PyrrolylethanoneChEBI
Methyl pyrrol-2-yl ketoneChEBI
Pyrrole-alpha-methyl ketoneChEBI
Pyrrole-a-methyl ketoneGenerator
Pyrrole-α-methyl ketoneGenerator
1-(1H-Pyrrol-2-yl)-ethanoneHMDB
1-(1H-Pyrrol-2-yl)ethanone (acetylpyrrole)HMDB
1-(1H-Pyrrol-2-yl)ethanone, 9ciHMDB
1H-Pyrrole, 2-acetylHMDB
2-AcetopyrroleHMDB
2-Acetyl pyrroleHMDB
2-Acetyl-1H-indoleHMDB
FEMA 3202HMDB
Ketone, methyl pyrrol-2-ylHMDB
Methyl 2-pyrrolyl ketoneHMDB
Methyl 2-pyrryl ketoneHMDB
PseudoacetylpyrroleHMDB
Pyrrole, 2-acetylHMDB
Pyrrole-b-methyl ketoneHMDB
PYRRYL-alpha-methyl ketoneHMDB
Chemical FormulaC6H7NO
Average Molecular Weight109.1259
Monoisotopic Molecular Weight109.052763851
IUPAC Name1-(1H-pyrrol-2-yl)ethan-1-one
Traditional Name2-acetylpyrrole
CAS Registry Number1072-83-9
SMILES
CC(=O)C1=CC=CN1
InChI Identifier
InChI=1S/C6H7NO/c1-5(8)6-3-2-4-7-6/h2-4,7H,1H3
InChI KeyIGJQUJNPMOYEJY-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as aryl alkyl ketones. These are ketones have the generic structure RC(=O)R', where R = aryl group and R'=alkyl group.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentAryl alkyl ketones
Alternative Parents
Substituents
  • Aryl alkyl ketone
  • Substituted pyrrole
  • Heteroaromatic compound
  • Pyrrole
  • Azacycle
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point90 °CNot Available
Boiling Point220.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility17590 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP0.93Not Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility274 g/LALOGPS
logP0.82ALOGPS
logP0.53ChemAxon
logS0.4ALOGPS
pKa (Strongest Acidic)14.06ChemAxon
pKa (Strongest Basic)-7.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area32.86 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity31.1 m³·mol⁻¹ChemAxon
Polarizability11.32 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]+122.89631661259
DarkChem[M-H]-116.6431661259
DeepCCS[M+H]+120.33630932474
DeepCCS[M-H]-117.81830932474
DeepCCS[M-2H]-154.32930932474
DeepCCS[M+Na]+129.04430932474
AllCCS[M+H]+121.032859911
AllCCS[M+H-H2O]+116.032859911
AllCCS[M+NH4]+125.632859911
AllCCS[M+Na]+127.032859911
AllCCS[M-H]-119.632859911
AllCCS[M+Na-2H]-122.032859911
AllCCS[M+HCOO]-124.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2-AcetylpyrroleCC(=O)C1=CC=CN11952.4Standard polar33892256
2-AcetylpyrroleCC(=O)C1=CC=CN1936.8Standard non polar33892256
2-AcetylpyrroleCC(=O)C1=CC=CN11086.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2-Acetylpyrrole,1TMS,isomer #1CC(=O)C1=CC=CN1[Si](C)(C)C1182.7Semi standard non polar33892256
2-Acetylpyrrole,1TMS,isomer #1CC(=O)C1=CC=CN1[Si](C)(C)C1287.1Standard non polar33892256
2-Acetylpyrrole,1TBDMS,isomer #1CC(=O)C1=CC=CN1[Si](C)(C)C(C)(C)C1456.6Semi standard non polar33892256
2-Acetylpyrrole,1TBDMS,isomer #1CC(=O)C1=CC=CN1[Si](C)(C)C(C)(C)C1480.3Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2-Acetylpyrrole GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9100000000-5526118d81a9a57eb1c22017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2-Acetylpyrrole GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-052f-9200000000-2bc5864091cc4cf9f4042015-03-01Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 10V, Positive-QTOFsplash10-03di-4900000000-9124195e1b92e4e480532016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 20V, Positive-QTOFsplash10-01ox-9400000000-80e751bf81f32b9f0fb12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 40V, Positive-QTOFsplash10-014l-9000000000-20386c3094da46e7881a2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 10V, Negative-QTOFsplash10-0a4i-1900000000-ff90800e24b3f96db9642016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 20V, Negative-QTOFsplash10-0a4i-3900000000-d19af8bc2956171cdf6d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 40V, Negative-QTOFsplash10-00kf-9000000000-fd50b54e24b4ad84badb2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 10V, Negative-QTOFsplash10-066r-9800000000-524b0a3f276bbaac736e2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 20V, Negative-QTOFsplash10-014i-9000000000-3f070060c5785123e18c2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 40V, Negative-QTOFsplash10-00kf-9000000000-a37fac17d45f4a9e42582021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 10V, Positive-QTOFsplash10-03di-2900000000-bfdf62c9a06dc1f0fe812021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 20V, Positive-QTOFsplash10-0006-9100000000-e0e7baa1e1a9403fc5ad2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2-Acetylpyrrole 40V, Positive-QTOFsplash10-0006-9000000000-f8a1403a55e3db5dc7862021-09-23Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView

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+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
  • 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 IDFDB004573
KNApSAcK IDC00029449
Chemspider ID13459
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound14079
PDB IDNot Available
ChEBI ID59981
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1028421
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.. .