IMPPAT Phytochemical information: 
Phthalide

Phthalide
Summary

SMILES: O=C1OCc2c1cccc2
InChI: InChI=1S/C8H6O2/c9-8-7-4-2-1-3-6(7)5-10-8/h1-4H,5H2
InChIKey: WNZQDUSMALZDQF-UHFFFAOYSA-N
DeepSMILES: O=COCcc5cccc6
Scaffold Graph/Node/Bond level: O=C1OCc2ccccc21
Scaffold Graph/Node level: OC1OCC2CCCCC21
Scaffold Graph level: CC1CCC2CCCCC12
Functional groups: cC(=O)OC
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organoheterocyclic compounds
ClassyFire Class: Isocoumarans
ClassyFire Subclass: Isobenzofuranones
NP Classifier Biosynthetic pathway: Polyketides
NP Classifier Superclass: Cyclic polyketides
NP Classifier Class: Phthalide derivatives
Synonymous chemical names:
phthalide, phthalides
External chemical identifiers:
CID:CID_6885; ChEMBL:CHEMBL2391738; ChEBI:CHEBI:38085; ZINC:ZINC000000154698; FDASRS:8VV922U86J; SureChEMBL:SCHEMBL22284; MolPort-000-882-050
Chemical structure download


Phthalide
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 134.13
Log P RDKit 1.36
Topological polar surface area (Å2) RDKit 26.3
Number of hydrogen bond acceptors RDKit 2
Number of hydrogen bond donors RDKit 0
Number of carbon atoms RDKit 8
Number of heavy atoms RDKit 10
Number of heteroatoms RDKit 2
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 7
Number of sp3 hybridized carbon atoms RDKit 1
Shape complexity RDKit 0.12
Number of rotatable bonds RDKit 0
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 1
Number of aliphatic rings RDKit 1
Number of aromatic carbocycles RDKit 1
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 1
Total number of rings RDKit 2
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 2


Phthalide
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 0.5


Phthalide
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 -6.55
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