IMPPAT Phytochemical information: 
Cyclopentanone

Cyclopentanone
Summary

SMILES: O=C1CCCC1
InChI: InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
InChIKey: BGTOWKSIORTVQH-UHFFFAOYSA-N
DeepSMILES: O=CCCCC5
Scaffold Graph/Node/Bond level: O=C1CCCC1
Scaffold Graph/Node level: OC1CCCC1
Scaffold Graph level: CC1CCCC1
Functional groups: CC(=O)C
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organic oxygen compounds
ClassyFire Class: Organooxygen compounds
ClassyFire Subclass: Carbonyl compounds
Synonymous chemical names:
cyclopentanone
External chemical identifiers:
CID:CID_8452; ChEMBL:CHEMBL18620; ChEBI:CHEBI:16486; ZINC:ZINC000000895304; FDASRS:220W81TN3S; SureChEMBL:SCHEMBL19364; MolPort-000-871-991
Chemical structure download


Cyclopentanone
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 84.12
Log P RDKit 1.13
Topological polar surface area (Å2) RDKit 17.07
Number of hydrogen bond acceptors RDKit 1
Number of hydrogen bond donors RDKit 0
Number of carbon atoms RDKit 5
Number of heavy atoms RDKit 6
Number of heteroatoms RDKit 1
Number of nitrogen atoms RDKit 0
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 0
Stereochemical complexity RDKit 0
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 1
Number of sp3 hybridized carbon atoms RDKit 4
Shape complexity RDKit 0.8
Number of rotatable bonds RDKit 0
Number of aliphatic carbocycles RDKit 1
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 1
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 1
Number of saturated carbocycles RDKit 1
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 1
Number of Smallest Set of Smallest Rings (SSSR) RDKit 1


Cyclopentanone
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 0
Lipinski’s rule of 5 RDKit Passed
Number of Ghose rule violations RDKit 3
Ghose rule RDKit Failed
Veber rule RDKit Good
Egan rule RDKit Good
GSK 4/400 rule RDKit Good
Pfizer 3/75 rule RDKit Bad
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.43


Cyclopentanone
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Very soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME Yes
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.54
Number of PAINS structural alerts SwissADME 0
Number of Brenk structural alerts SwissADME 0
CYP1A2 inhibitor SwissADME No
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No


Cyclopentanone
Human target proteins
Protein identifierHGNC symbolCombined score from STITCH database
ENSP00000344193RNASE1741
ENSP00000369927AKR1C3724
ENSP00000370129AKR1C2724
ENSP00000370254AKR1C1724
The human target proteins were predicted using STITCH, a database of Chemical-Protein interaction networks.