IMPPAT Phytochemical information: 
16-Dehydropregnenolone
16-Dehydropregnenolone
Summary

SMILES: O[C@H]1CC[C@]2(C(=CC[C@@H]3[C@@H]2CC[C@]2([C@H]3CC=C2C(=O)C)C)C1)C
InChI: InChI=1S/C21H30O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4,6,15-16,18-19,23H,5,7-12H2,1-3H3/t15-,16-,18-,19-,20-,21+/m0/s1
InChIKey: YLFRRPUBVUAHSR-RRPFGEQOSA-N
DeepSMILES: O[C@H]CC[C@]C=CC[C@@H][C@@H]6CC[C@][C@H]6CC=C5C=O)C))))))C))))))))C6))C
Scaffold Graph/Node/Bond level: C1=CC2CCC3C4CCCCC4=CCC3C2C1
Scaffold Graph/Node level: C1CCC2C(C1)CCC1C3CCCC3CCC21
Scaffold Graph level: C1CCC2C(C1)CCC1C3CCCC3CCC21
Functional groups: CC=C(C)C; CC=C(C)C(C)=O; CO
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Lipids and lipid-like molecules
ClassyFire Class: Steroids and steroid derivatives
ClassyFire Subclass: Oxosteroids
NP Classifier Biosynthetic pathway: Terpenoids
NP Classifier Superclass: Steroids
NP Classifier Class: Androstane steroids|Pregnane steroids
Synonymous chemical names:
16-dehydropregnenolone
External chemical identifiers:
CID:92871; ChEBI:27486; ZINC:ZINC000002122287; FDASRS:7349506P5S; SureChEMBL:SCHEMBL177687; MolPort-002-506-874
Chemical structure download
2D:2D MOL2D MOL22D SDF
3D:3D MOL3D MOL23D SDF3D PDB3D PDBQT
16-Dehydropregnenolone
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 314.47
Log P RDKit 4.44
Topological polar surface area (Å2) RDKit 37.3
Number of hydrogen bond acceptors RDKit 2
Number of hydrogen bond donors RDKit 1
Number of carbon atoms RDKit 21
Number of heavy atoms RDKit 23
Number of heteroatoms RDKit 2
Number of nitrogen atoms RDKit 0
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 6
Stereochemical complexity RDKit 0.29
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 5
Number of sp3 hybridized carbon atoms RDKit 16
Shape complexity RDKit 0.76
Number of rotatable bonds RDKit 1
Number of aliphatic carbocycles RDKit 4
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 4
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 4
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 4
16-Dehydropregnenolone
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 0
Lipinski’s rule of 5 filter RDKit Passed
Number of Ghose filter violations RDKit 0
Ghose filter RDKit Passed
Veber filter RDKit Good
Pfizer 3/75 filter RDKit Bad
GSK 4/400 filter RDKit Bad
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.7267
16-Dehydropregnenolone
ADMET properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Moderately soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME Yes
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -5.44
Number of PAINS structural alerts SwissADME 0.0
Number of Brenk structural alerts SwissADME 1.0
CYP1A2 inhibitor SwissADME No
CYP2C19 inhibitor SwissADME Yes
CYP2C9 inhibitor SwissADME Yes
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No