IMPPAT Phytochemical information: 
Caffeic acid

Caffeic acid
Summary

SMILES: OC(=O)/C=C/c1ccc(c(c1)O)O
InChI: InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2+
InChIKey: QAIPRVGONGVQAS-DUXPYHPUSA-N
DeepSMILES: OC=O)/C=C/cccccc6)O))O
Scaffold Graph/Node/Bond level: c1ccccc1
Scaffold Graph/Node level: C1CCCCC1
Scaffold Graph level: C1CCCCC1
Functional groups: c/C=C/C(=O)O; cO
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Phenylpropanoids and polyketides
ClassyFire Class: Cinnamic acids and derivatives
ClassyFire Subclass: Hydroxycinnamic acids and derivatives
NP Classifier Biosynthetic pathway: Shikimates and Phenylpropanoids
NP Classifier Superclass: Phenylpropanoids (C6-C3)
NP Classifier Class: Cinnamic acids and derivatives
Synonymous chemical names:
34-dihydroxycinnamic acid, caffeic acids, 3,4-dihydroxycinnamic-acid, 3,4-dihydroxycinnamic acid, caffeic, caffeic acid, caffeic-acid, 3-34-dihydroxyphenyl-2-propenoic acid
External chemical identifiers:
CID:CID_689043; ChEMBL:CHEMBL145; ChEBI:CHEBI:16433; ZINC:ZINC000000058172; FDASRS:U2S3A33KVM; SureChEMBL:SCHEMBL23358; MolPort-000-742-954
Chemical structure download


Caffeic acid
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 180.16
Log P RDKit 1.2
Topological polar surface area (Å2) RDKit 77.76
Number of hydrogen bond acceptors RDKit 3
Number of hydrogen bond donors RDKit 3
Number of carbon atoms RDKit 9
Number of heavy atoms RDKit 13
Number of heteroatoms RDKit 4
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 9
Number of sp3 hybridized carbon atoms RDKit 0
Shape complexity RDKit 0
Number of rotatable bonds RDKit 2
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 0
Number of aromatic carbocycles RDKit 1
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 1
Total number of rings RDKit 1
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 1


Caffeic acid
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 0
Ghose rule RDKit Passed
Veber rule RDKit Good
Egan rule RDKit Good
GSK 4/400 rule RDKit Good
Pfizer 3/75 rule RDKit Good
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.47


Caffeic acid
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.56
Solubility class [ESOL] SwissADME Very soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.58
Number of PAINS structural alerts SwissADME 1
Number of Brenk structural alerts SwissADME 2
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