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Record Information
Version2.0
Created at2022-05-11 16:31:08 UTC
Updated at2022-05-11 16:31:09 UTC
NP-MRD IDNP0086792
Secondary Accession NumbersNone
Natural Product Identification
Common NameAlloepipregnanolone
DescriptionAlloepipregnanolone, also known as 5a-dihydropregnenolone or eltanolone, belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. Thus, alloepipregnanolone is considered to be a steroid lipid molecule. Alloepipregnanolone was first documented in 2006 (PMID: 16612485). Alloepipregnanolone is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
Structure
Thumb
Synonyms
Chemical FormulaC21H34O2
Average Mass318.4935 Da
Monoisotopic Mass318.25588 Da
IUPAC Name1-[(1S,2S,5S,7S,10R,11S,14S,15S)-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-14-yl]ethan-1-one
Traditional Nameisopregnanolone
CAS Registry NumberNot Available
SMILES
[H][C@@]12CC[C@H](C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC[C@@]2([H])C[C@@H](O)CC[C@]12C
InChI Identifier
InChI=1S/C21H34O2/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/h14-19,23H,4-12H2,1-3H3/t14-,15-,16-,17+,18-,19-,20-,21+/m0/s1
InChI KeyAURFZBICLPNKBZ-FZCSVUEKSA-N
Experimental Spectra
Not Available
Predicted Spectra
Chemical Shift Submissions
Not Available
Species
Species of Origin
Chemical Taxonomy
Description Belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassPregnane steroids
Direct ParentGluco/mineralocorticoids, progestogins and derivatives
Alternative Parents
Substituents
  • Progestogin-skeleton
  • 20-oxosteroid
  • 3-hydroxysteroid
  • Hydroxysteroid
  • 3-beta-hydroxysteroid
  • Oxosteroid
  • Cyclic alcohol
  • Ketone
  • Secondary alcohol
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External Descriptors
  • 3-hydroxy-5alpha-pregnan-20-one (CHEBI:11909 )
  • C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives (LMST02030173 )
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP4.28ALOGPS
logP3.99ChemAxon
logS-5.4ALOGPS
pKa (Strongest Acidic)18.3ChemAxon
pKa (Strongest Basic)-1.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity92.91 m³·mol⁻¹ChemAxon
Polarizability38.72 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0001455
DrugBank IDDB12972
Phenol Explorer Compound IDNot Available
FoodDB IDFDB022634
KNApSAcK IDNot Available
Chemspider ID83761
KEGG Compound IDC15484
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound92787
PDB IDNot Available
ChEBI ID11909
Good Scents IDNot Available
References
General References
  1. Debatin T, Barbosa AD: Effect of isopregnanolone on rapid tolerance to the anxiolytic effect of ethanol. Braz J Psychiatry. 2006 Mar;28(1):18-23. doi: 10.1590/s1516-44462006000100005. Epub 2006 Mar 24. [PubMed:16612485 ]