IMPPAT Phytochemical information: 
Withanolide K
Withanolide K
Summary

SMILES: CC1=C(C)C(=O)O[C@H](C1)[C@@]([C@@]1(O)CC[C@@]2([C@]1(C)CC[C@H]1[C@H]2CC=C2[C@]1(C)C(=O)CC=C2)O)(O)C
InChI: InChI=1S/C28H38O6/c1-16-15-22(34-23(30)17(16)2)26(5,31)28(33)14-13-27(32)20-10-9-18-7-6-8-21(29)25(18,4)19(20)11-12-24(27,28)3/h6-7,9,19-20,22,31-33H,8,10-15H2,1-5H3/t19-,20+,22+,24-,25-,26-,27+,28+/m0/s1
InChIKey: HYSIDFWCYWFQMQ-WEJNEFSASA-N
DeepSMILES: CC=CC)C=O)O[C@H]C6)[C@@][C@@]O)CC[C@@][C@]5C)CC[C@H][C@H]6CC=C[C@]6C)C=O)CC=C6)))))))))))))O)))))O)C
Scaffold Graph/Node/Bond level: O=C1C=CCC(CC2CCC3C2CCC2C4C(=O)CC=CC4=CCC23)O1
Scaffold Graph/Node level: OC1CCCC(CC2CCC3C2CCC2C3CCC3CCCC(O)C32)O1
Scaffold Graph level: CC1CCCC(CC2CCC3C2CCC2C3CCC3CCCC(C)C32)C1
Functional groups: CO; CC1=C(C)C(=O)OCC1; CC=CC(=CC)C; CC(=O)C
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Lipids and lipid-like molecules
ClassyFire Class: Steroids and steroid derivatives
ClassyFire Subclass: Steroid lactones
NP Classifier Biosynthetic pathway: Terpenoids
NP Classifier Superclass: Steroids
NP Classifier Class: Ergostane steroids
Synonymous chemical names:
Withanolide K
Chemical structure download
2D:2D MOL2D MOL22D SDF
3D:3D MOL3D MOL23D SDF3D PDB3D PDBQT
Withanolide K
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 470.61
Log P RDKit 3.54
Topological polar surface area (Å2) RDKit 104.06
Number of hydrogen bond acceptors RDKit 6
Number of hydrogen bond donors RDKit 3
Number of carbon atoms RDKit 28
Number of heavy atoms RDKit 34
Number of heteroatoms RDKit 6
Number of nitrogen atoms RDKit 0
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 8
Stereochemical complexity RDKit 0.29
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 8
Number of sp3 hybridized carbon atoms RDKit 20
Shape complexity RDKit 0.71
Number of rotatable bonds RDKit 2
Number of aliphatic carbocycles RDKit 4
Number of aliphatic heterocycles RDKit 1
Number of aliphatic rings RDKit 5
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 5
Number of saturated carbocycles RDKit 2
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 2
Number of Smallest Set of Smallest Rings (SSSR) RDKit 5
Withanolide K
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 1
Ghose rule RDKit Failed
Veber rule RDKit Good
Egan rule RDKit Good
GSK 4/400 rule RDKit Bad
Pfizer 3/75 rule RDKit Bad
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.53
Withanolide K
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 -7.51
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 Yes