IMPPAT Phytochemical information: 
Obtusin

Obtusin
Summary

SMILES: COc1c(OC)cc2c(c1O)C(=O)c1c(C2=O)cc(c(c1OC)O)C
InChI: InChI=1S/C18H16O7/c1-7-5-8-12(18(25-4)13(7)19)15(21)11-9(14(8)20)6-10(23-2)17(24-3)16(11)22/h5-6,19,22H,1-4H3
InChIKey: CFLNHFUPWNRWJA-UHFFFAOYSA-N
DeepSMILES: COccOC))cccc6O))C=O)ccC6=O))cccc6OC)))O))C
Scaffold Graph/Node/Bond level: O=C1c2ccccc2C(=O)c2ccccc21
Scaffold Graph/Node level: OC1C2CCCCC2C(O)C2CCCCC12
Scaffold Graph level: CC1C2CCCCC2C(C)C2CCCCC12
Functional groups: cOC; cO; cC(=O)c
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Benzenoids
ClassyFire Class: Anthracenes
ClassyFire Subclass: Anthraquinones
NP Classifier Biosynthetic pathway: Polyketides
NP Classifier Superclass: Polycyclic aromatic polyketides
NP Classifier Class: Anthraquinones and anthrones
Synonymous chemical names:
Obtusin, obtusin
External chemical identifiers:
CID:CID_155380; ChEMBL:CHEMBL511524; ChEBI:CHEBI:80881; ZINC:ZINC000006070308; SureChEMBL:SCHEMBL16226754; MolPort-027-836-469
Chemical structure download


Obtusin
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 344.32
Log P RDKit 2.21
Topological polar surface area (Å2) RDKit 102.29
Number of hydrogen bond acceptors RDKit 7
Number of hydrogen bond donors RDKit 2
Number of carbon atoms RDKit 18
Number of heavy atoms RDKit 25
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 14
Number of sp3 hybridized carbon atoms RDKit 4
Shape complexity RDKit 0.22
Number of rotatable bonds RDKit 3
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


Obtusin
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 0.75


Obtusin
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Moderately soluble
Solubility class [Silicos-IT] SwissADME Moderately soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -6.28
Number of PAINS structural alerts SwissADME 1
Number of Brenk structural alerts SwissADME 0
CYP1A2 inhibitor SwissADME Yes
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME Yes
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME Yes
P-glycoprotein substrate SwissADME No