IMPPAT Phytochemical information: 
Emodic acid

Emodic acid
Summary

SMILES: Oc1cc(O)c2c(c1)C(=O)c1c(C2=O)c(O)cc(c1)C(=O)O
InChI: InChI=1S/C15H8O7/c16-6-3-8-12(10(18)4-6)14(20)11-7(13(8)19)1-5(15(21)22)2-9(11)17/h1-4,16-18H,(H,21,22)
InChIKey: ZJXVNNSMRGTDBI-UHFFFAOYSA-N
DeepSMILES: OcccO)ccc6)C=O)ccC6=O))cO)ccc6)C=O)O
Scaffold Graph/Node/Bond level: O=C1c2ccccc2C(=O)c2ccccc21
Scaffold Graph/Node level: OC1C2CCCCC2C(O)C2CCCCC12
Scaffold Graph level: CC1C2CCCCC2C(C)C2CCCCC12
Functional groups: cO; cC(=O)c; cC(=O)O
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Benzenoids
ClassyFire Class: Anthracenes
ClassyFire Subclass: Anthracenecarboxylic acids and derivatives
NP Classifier Biosynthetic pathway: Polyketides
NP Classifier Superclass: Polycyclic aromatic polyketides
NP Classifier Class: Anthraquinones and anthrones
Synonymous chemical names:
emodic acid, Emodic acid
External chemical identifiers:
CID:CID_361510; ChEMBL:CHEMBL290914; ChEBI:CHEBI:93655; ZINC:ZINC000003977762; SureChEMBL:SCHEMBL5073407; MolPort-001-739-339
Chemical structure download


Emodic acid
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 300.22
Log P RDKit 1.28
Topological polar surface area (Å2) RDKit 132.13
Number of hydrogen bond acceptors RDKit 6
Number of hydrogen bond donors RDKit 4
Number of carbon atoms RDKit 15
Number of heavy atoms RDKit 22
Number of heteroatoms RDKit 7
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 15
Number of sp3 hybridized carbon atoms RDKit 0
Shape complexity RDKit 0
Number of rotatable bonds RDKit 1
Number of aliphatic carbocycles RDKit 1
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 1
Number of aromatic carbocycles RDKit 2
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 2
Total number of rings RDKit 3
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 3


Emodic 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 Bad
GSK 4/400 rule RDKit Good
Pfizer 3/75 rule RDKit Good
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.53


Emodic acid
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.56
Solubility class [ESOL] SwissADME Soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.80
Number of PAINS structural alerts SwissADME 1
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