IMPPAT Phytochemical information: 
Octadecanal

Octadecanal
Summary

SMILES: CCCCCCCCCCCCCCCCCC=O
InChI: InChI=1S/C18H36O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h18H,2-17H2,1H3
InChIKey: FWWQKRXKHIRPJY-UHFFFAOYSA-N
DeepSMILES: CCCCCCCCCCCCCCCCCC=O
Functional groups: CC=O
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Lipids and lipid-like molecules
ClassyFire Class: Fatty Acyls
ClassyFire Subclass: Fatty aldehydes
NP Classifier Biosynthetic pathway: Fatty acids
NP Classifier Superclass: Fatty acyls
NP Classifier Class: Fatty aldehydes
Synonymous chemical names:
octadecanal, Octadecanal, stearaldehyde, octandecanal, octadecanal (stearaldehyde)
External chemical identifiers:
CID:CID_12533; ChEBI:CHEBI:17034; ZINC:ZINC000008217412; FDASRS:PH4GZ7JT4C; SureChEMBL:SCHEMBL3471; MolPort-001-787-537
Chemical structure download


Octadecanal
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 268.49
Log P RDKit 6.45
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 18
Number of heavy atoms RDKit 19
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 17
Shape complexity RDKit 0.94
Number of rotatable bonds RDKit 16
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 0
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 0
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 0
Number of Smallest Set of Smallest Rings (SSSR) RDKit 0


Octadecanal
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 1
Lipinski’s rule of 5 RDKit Passed
Number of Ghose rule violations RDKit 1
Ghose rule RDKit Failed
Veber rule RDKit Bad
Egan rule RDKit Bad
GSK 4/400 rule RDKit Bad
Pfizer 3/75 rule RDKit Bad
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.23


Octadecanal
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Moderately soluble
Solubility class [Silicos-IT] SwissADME Poorly soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME Low
Log Kp (Skin permeation, cm/s) SwissADME -2.16
Number of PAINS structural alerts SwissADME 0
Number of Brenk structural alerts SwissADME 1
CYP1A2 inhibitor SwissADME Yes
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No