Record Information
Version1.0
Creation Date2016-09-30 22:50:18 UTC
Update Date2020-05-11 20:51:22 UTC
BMDB IDBMDB0002039
Secondary Accession Numbers
  • BMDB02039
Metabolite Identification
Common Name2-Pyrrolidinone
Description2-Pyrrolidinone, also known as butyrolactam or alpha-pyrrolidone, belongs to the class of organic compounds known as pyrrolidine-2-ones. These are pyrrolidines which bear a C=O group at position 2 of the pyrrolidine ring. Based on a literature review a significant number of articles have been published on 2-Pyrrolidinone.
Structure
Thumb
Synonyms
ValueSource
1-Azacyclopentan-2-oneChEBI
2-KetopyrrolidineChEBI
2-OxopyrrolidineChEBI
2-PyrrolidoneChEBI
4-Aminobutyric acid lactamChEBI
alpha-PyrrolidinoneChEBI
alpha-PyrrolidoneChEBI
ButyrolactamChEBI
gamma-Aminobutyric acid lactamChEBI
gamma-Aminobutyric lactamChEBI
gamma-ButyrolactamChEBI
PyrrolidinoneChEBI
PyrrolidoneChEBI
4-Aminobutyrate lactamGenerator
a-PyrrolidinoneGenerator
Α-pyrrolidinoneGenerator
a-PyrrolidoneGenerator
Α-pyrrolidoneGenerator
g-Aminobutyrate lactamGenerator
g-Aminobutyric acid lactamGenerator
gamma-Aminobutyrate lactamGenerator
Γ-aminobutyrate lactamGenerator
Γ-aminobutyric acid lactamGenerator
g-Aminobutyric lactamGenerator
Γ-aminobutyric lactamGenerator
g-ButyrolactamGenerator
Γ-butyrolactamGenerator
2-Pyrrolidone, hydrotribromideHMDB
2-Pyrrolidone, rubidium saltHMDB
2-Pyrrolidone, (18)O-labeledHMDB
2-Pyrrolidone, 5-(14)C-labeledHMDB
2-Pyrrolidone, potassium saltHMDB
2-Pyrrolidone, sodium saltHMDB
2-Pyrrolidone, aluminum saltHMDB
2-Pyrrolidone, cerium saltHMDB
2-Pyrrolidone, hydrobromideHMDB
2-Pyrrolidone, hydrochlorideHMDB
2-Pyrrolidone, lithium saltHMDB
1-Methyl-2-pyrrolidinoneHMDB
2-Pyrol4-aminobutyric acid lactamHMDB
2-Pyrrolidone for synthesisHMDB
2-Pyrrolidone-butyrolactamHMDB
Aminobutyric acid lactamHMDB
Aminobutyric lactamHMDB
AminobutyrolactamHMDB
N-Methyl-2-pyrrolidinoneHMDB
Pyrrolidin-2-oneHMDB
PyrrolidonHMDB
Pyrrolidone-2HMDB
TetrahydropyrroloneHMDB
2-PyrrolidinoneChEBI
Chemical FormulaC4H7NO
Average Molecular Weight85.1045
Monoisotopic Molecular Weight85.052763851
IUPAC Namepyrrolidin-2-one
Traditional Namepyrrolidone
CAS Registry Number616-45-5
SMILES
O=C1CCCN1
InChI Identifier
InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)
InChI KeyHNJBEVLQSNELDL-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyrrolidine-2-ones. These are pyrrolidines which bear a C=O group at position 2 of the pyrrolidine ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyrrolidines
Sub ClassPyrrolidones
Direct ParentPyrrolidine-2-ones
Alternative Parents
Substituents
  • 2-pyrrolidone
  • Secondary carboxylic acid amide
  • Lactam
  • Carboxamide group
  • Azacycle
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
StatusDetected but not Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cytoplasm
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point23 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility1000 mg/mL at 20 °CNot Available
LogP-0.85SASAKI,H ET AL. (1991)
Predicted Properties
PropertyValueSource
logP-0.9ALOGPS
logP-0.58ChemAxon
logS0.8ALOGPS
pKa (Strongest Acidic)14.75ChemAxon
pKa (Strongest Basic)-1.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area29.1 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity22.26 m³·mol⁻¹ChemAxon
Polarizability8.7 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Brain
  • Epidermis
  • Semen
  • Skeletal Muscle
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BrainExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
EpidermisExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
SemenDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Normal
details
Skeletal MuscleExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0002039
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB000741
KNApSAcK IDC00038233
Chemspider ID11530
KEGG Compound IDC11118
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link2-Pyrrolidone
METLIN ID6452
PubChem Compound12025
PDB IDNot Available
ChEBI ID36592
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available