IMPPAT Phytochemical information: 
Octadecamethylcyclononasiloxane
Octadecamethylcyclononasiloxane
Summary

SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C
InChI: InChI=1S/C18H54O9Si9/c1-28(2)19-29(3,4)21-31(7,8)23-33(11,12)25-35(15,16)27-36(17,18)26-34(13,14)24-32(9,10)22-30(5,6)20-28/h1-18H3
InChIKey: ISXOGOLHEGHGQF-UHFFFAOYSA-N
DeepSMILES: C[Si]C)O[Si]C)C)O[Si]C)C)O[Si]C)C)O[Si]C)C)O[Si]O[Si]O[Si]O[Si]O%18)C)C)))C)C)))C)C)))C)C
Scaffold Graph/Node/Bond level: O1[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]1
Scaffold Graph/Node level: O1[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]O[SiH2]1
Scaffold Graph level: C1CCCCCCCCCCCCCCCCC1
Functional groups: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organometallic compounds
ClassyFire Class: Organometalloid compounds
ClassyFire Subclass: Organosilicon compounds
NP Classifier Biosynthetic pathway: Fatty acids
NP Classifier Superclass: Fatty Acids and Conjugates
Synonymous chemical names:
cyclonona siloxane, octadeca methyl, octadeca methyl cyclononasiloxane
External chemical identifiers:
CID:CID_11172; FDASRS:28W8JYZ0C6; SureChEMBL:SCHEMBL9009704
Chemical structure download
2D:2D MOL2D MOL22D SDF
3D:3D MOL3D MOL23D SDF3D PDB3D PDBQT
Octadecamethylcyclononasiloxane
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 667.4
Log P RDKit 6.47
Topological polar surface area (Å2) RDKit 83.07
Number of hydrogen bond acceptors RDKit 9
Number of hydrogen bond donors RDKit 0
Number of carbon atoms RDKit 18
Number of heavy atoms RDKit 36
Number of heteroatoms RDKit 18
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 0
Number of sp3 hybridized carbon atoms RDKit 18
Shape complexity RDKit 1
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 0
Number of aromatic heterocycles RDKit 0
Number of aromatic rings RDKit 0
Total number of rings RDKit 1
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 1
Number of saturated rings RDKit 1
Number of Smallest Set of Smallest Rings (SSSR) RDKit 1
Octadecamethylcyclononasiloxane
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 2
Lipinski’s rule of 5 RDKit Failed
Number of Ghose rule violations RDKit 4
Ghose rule RDKit Failed
Veber rule RDKit Good
Egan rule RDKit Bad
GSK 4/400 rule RDKit Bad
Pfizer 3/75 rule RDKit Bad
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.27
Octadecamethylcyclononasiloxane
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Poorly soluble
Solubility class [Silicos-IT] SwissADME Moderately soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME Low
Log Kp (Skin permeation, cm/s) SwissADME -3.95
Number of PAINS structural alerts SwissADME 0
Number of Brenk structural alerts SwissADME 1
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