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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2012-09-11 19:11:36 UTC
Update Date2022-03-07 02:54:04 UTC
HMDB IDHMDB0034369
Secondary Accession Numbers
  • HMDB34369
Metabolite Identification
Common Name(3beta,5alpha)-3-Hydroxypregn-16-en-20-one
Description(3beta,5alpha)-3-Hydroxypregn-16-en-20-one, also known as 3beta-hydroxy-5alpha-pregn-16-en-20-one or 16-pregnenolone, belongs to the class of organic compounds known as 20-oxosteroids. These are steroid derivatives carrying a C=O group at the 20-position of the steroid skeleton (3beta,5alpha)-3-Hydroxypregn-16-en-20-one is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1563862552
Synonyms
ValueSource
(3b,5a)-3-Hydroxypregn-16-en-20-oneGenerator
(3Β,5α)-3-hydroxypregn-16-en-20-oneGenerator
16-PregnenoloneHMDB
16-PregnoloneHMDB
3-Hydroxy-(3beta,5alpha)-pregn-16-en-20-oneHMDB
3beta-Hydroxy-5alpha-pregn-16-en-20-oneHMDB
16-Pregnolone, (3alpha,5beta)-isomerHMDB
3 beta-Hydroxy-5 alpha-pregn-16-en-20-oneHMDB
16-Pregnolone, (3alpha,5alpha)-isomerHMDB
Chemical FormulaC21H32O2
Average Molecular Weight316.4776
Monoisotopic Molecular Weight316.240230268
IUPAC Name1-{5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-13-en-14-yl}ethan-1-one
Traditional Name1-{5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-13-en-14-yl}ethanone
CAS Registry Number566-61-0
SMILES
CC(=O)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C
InChI Identifier
InChI=1S/C21H32O2/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/h6,14-16,18-19,23H,4-5,7-12H2,1-3H3
InChI KeySFXPZLCQRZASKK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 20-oxosteroids. These are steroid derivatives carrying a C=O group at the 20-position of the steroid skeleton.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassOxosteroids
Direct Parent20-oxosteroids
Alternative ParentsNot Available
SubstituentsNot Available
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point207 - 209 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.0057 g/LALOGPS
logP4.49ALOGPS
logP3.84ChemAxon
logS-4.8ALOGPS
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
Refractivity93.78 m³·mol⁻¹ChemAxon
Polarizability38.29 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+175.35731661259
DarkChem[M-H]-169.80831661259
DeepCCS[M-2H]-207.0330932474
DeepCCS[M+Na]+182.25730932474
AllCCS[M+H]+182.132859911
AllCCS[M+H-H2O]+179.232859911
AllCCS[M+NH4]+184.932859911
AllCCS[M+Na]+185.632859911
AllCCS[M-H]-186.932859911
AllCCS[M+Na-2H]-187.332859911
AllCCS[M+HCOO]-188.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
(3beta,5alpha)-3-Hydroxypregn-16-en-20-oneCC(=O)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C2869.1Standard polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-oneCC(=O)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C2525.3Standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-oneCC(=O)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C2897.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,1TMS,isomer #1CC(=O)C1=CCC2C3CCC4CC(O[Si](C)(C)C)CCC4(C)C3CCC12C2768.6Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,1TMS,isomer #2C=C(O[Si](C)(C)C)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C2745.7Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,2TMS,isomer #1C=C(O[Si](C)(C)C)C1=CCC2C3CCC4CC(O[Si](C)(C)C)CCC4(C)C3CCC12C2764.9Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,2TMS,isomer #1C=C(O[Si](C)(C)C)C1=CCC2C3CCC4CC(O[Si](C)(C)C)CCC4(C)C3CCC12C2683.0Standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,1TBDMS,isomer #1CC(=O)C1=CCC2C3CCC4CC(O[Si](C)(C)C(C)(C)C)CCC4(C)C3CCC12C3034.8Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,1TBDMS,isomer #2C=C(O[Si](C)(C)C(C)(C)C)C1=CCC2C3CCC4CC(O)CCC4(C)C3CCC12C3017.1Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,2TBDMS,isomer #1C=C(O[Si](C)(C)C(C)(C)C)C1=CCC2C3CCC4CC(O[Si](C)(C)C(C)(C)C)CCC4(C)C3CCC12C3255.4Semi standard non polar33892256
(3beta,5alpha)-3-Hydroxypregn-16-en-20-one,2TBDMS,isomer #1C=C(O[Si](C)(C)C(C)(C)C)C1=CCC2C3CCC4CC(O[Si](C)(C)C(C)(C)C)CCC4(C)C3CCC12C3175.7Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one GC-MS (Non-derivatized) - 70eV, Positivesplash10-0zmr-0292000000-e8fd6b8a885717bb6e452017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one GC-MS (1 TMS) - 70eV, Positivesplash10-00di-3359000000-62f458f65223266004752017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 10V, Positive-QTOFsplash10-00kb-0095000000-9de4ee98242208469b322016-08-02Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 20V, Positive-QTOFsplash10-05mk-0291000000-7139d698df402fdcc1292016-08-02Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 40V, Positive-QTOFsplash10-0fbl-1190000000-bad0d72df1d5b721720c2016-08-02Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 10V, Negative-QTOFsplash10-014i-0039000000-4cb95f8aa549e665405e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 20V, Negative-QTOFsplash10-01b9-0095000000-de0329b0b677a43e5d3a2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 40V, Negative-QTOFsplash10-0aba-0090000000-08514e19fecb39253f522016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 10V, Positive-QTOFsplash10-014i-0039000000-d28a0d8d5e4a9cb390412021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 20V, Positive-QTOFsplash10-00or-1943000000-42e17fba33daa3c529e12021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 40V, Positive-QTOFsplash10-0a4m-6910000000-18d999b21df1a5326adc2021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 10V, Negative-QTOFsplash10-014i-0009000000-be6e06313d0abca8e6642021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 20V, Negative-QTOFsplash10-014i-0039000000-3a3ad7c1d6c7db35a8212021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (3beta,5alpha)-3-Hydroxypregn-16-en-20-one 40V, Negative-QTOFsplash10-015i-0096000000-55cc90d49b75211a2ded2021-09-25Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.000411-0.00657 uMAdult (>18 years old)MaleNormal details
BloodDetected and Quantified0.000221-0.00594 uMAdult (>18 years old)FemaleNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB012743
KNApSAcK IDNot Available
Chemspider ID467862
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound537186
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.