16-a-Hydroxypregnenolone

Common Name

16-a-Hydroxypregnenolone Description

16-a-Hydroxypregnenolone is a normal urinary metabolite with increased total excretion in newborn infants with congenital adrenal hyperplasia due to 21-hydroxylase deficiency. (PMID 6980322 ). Structure

Synonyms

Value Source (3beta,16alpha)-3,16-Dihydroxypregn-5-en-20-oneChEBI 16-alpha-HydroxypregnenoloneChEBI (3b,16a)-3,16-Dihydroxypregn-5-en-20-oneGenerator (3β,16α)-3,16-dihydroxypregn-5-en-20-oneGenerator 16-α-hydroxypregnenoloneGenerator 16 alpha-HydroxypregnenoloneHMDB 16-a-Hydroxy-pregnenoloneHMDB 16-alpha-Hydroxy-pregnenoloneHMDB 16alpha-HydroxypregnenoloneHMDB 3b,16a-Dihydroxypreg-5-en-20-oneHMDB 3b,16a-Dihydroxypregn-5-en-20-oneHMDB 3b,16a-Dihydroxypregnen-5-en-20-oneHMDB 5-Pregnene-3b,16a-diol-20-oneHMDB Pregn-5-en-3b,16a-diol-20-oneHMDB 3 alpha,16 alpha-Dihydroxypregn-5-en-20-oneMeSH 3 beta,16 alpha-Dihydroxypregn-5-en-20-oneMeSH 3 beta,16 beta-Dihydroxypregn-5-en-20-oneMeSH

Chemical Formlia

C21H32O3 Average Molecliar Weight

332.477 Monoisotopic Molecliar Weight

332.23514489 IUPAC Name

1-[(1S,2R,5S,10S,11S,13R,14R,15S)-5,13-dihydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-14-yl]ethan-1-one Traditional Name

16α-hydroxypregnenolone CAS Registry Number

520-88-7 SMILES

[H][C@@]12C[C@@H](O)[C@H](C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC=C2C[C@@H](O)CC[C@]12C

InChI Identifier

InChI=1S/C21H32O3/c1-12(22)19-18(24)11-17-15-5-4-13-10-14(23)6-8-20(13,2)16(15)7-9-21(17,19)3/h4,14-19,23-24H,5-11H2,1-3H3/t14-,15+,16-,17-,18+,19-,20-,21-/m0/s1

InChI Key

ZAKJZPQDUPCXSD-YRWKUUEZSA-N Chemical Taxonomy Classification

Not classified Ontology Status

Detected and Quantified Origin

  • Endogenous
  • Food
  • Biofunction

  • Cell signaling
  • Fuel and energy storage
  • Fuel or energy source
  • Hormones, Membrane component
  • Membrane integrity/stability
  • Application

  • Nutrients
  • Stabilizers
  • Surfactants and Emlisifiers
  • Cellliar locations

  • Extracellliar
  • Membrane
  • Physical Properties State

    Solid Experimental Properties

    Property Value Reference Melting PointNot AvailableNot Available Boiling PointNot AvailableNot Available Water SolubilityNot AvailableNot Available LogPNot AvailableNot Available

    Predicted Properties

    Property Value Source Water Solubility0.057 mg/mLALOGPS logP2.79ALOGPS logP2.35ChemAxon logS-3.8ALOGPS pKa (Strongest Acidic)14.75ChemAxon pKa (Strongest Basic)-1.4ChemAxon Physiological Charge0ChemAxon Hydrogen Acceptor Count3ChemAxon Hydrogen Donor Count2ChemAxon Polar Surface Area57.53 Å2ChemAxon Rotatable Bond Count1ChemAxon Refractivity95.27 m3·mol-1ChemAxon Polarizability38.91 Å3ChemAxon Number of Rings4ChemAxon Bioavailability1ChemAxon Rlie of FiveYesChemAxon Ghose FilterYesChemAxon Vebers RlieYesChemAxon MDDR-like RlieYesChemAxon

    Spectra Spectra

    Spectrum Type Description Splash Key Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 10V, Positivesplash10-0159-0049000000-2ccfec5d85aa1a19cec3View in MoNA Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 20V, Positivesplash10-014j-0194000000-e0041edd20068fee3d7bView in MoNA Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 40V, Positivesplash10-0a6v-1391000000-a896ab547c468e369ce5View in MoNA Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 10V, Negativesplash10-001i-0019000000-2ab7fa56b70d72f5890dView in MoNA Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 20V, Negativesplash10-01q9-0029000000-8ccb6ff65b91e81bbea5View in MoNA Predicted LC-MS/MS

    Predicted LC-MS/MS Spectrum – 40V, Negativesplash10-00ri-1093000000-56249f185b497261aed4View in MoNA 1D NMR

    1H NMR SpectrumNot Available 2D NMR

    [1H,13C] 2D NMR SpectrumNot Available

    Biological Properties Cellliar Locations

  • Extracellliar
  • Membrane
  • Biofluid Locations

  • Blood
  • Urine
  • Tissue Location

  • Umbilical cord
  • Pathways

    Not Available Normal Concentrations

    Biofluid Status Value Age Sex Condition Reference Details BloodDetected and Quantified16.1 +/- 2.3 uMNewborn (0-30 days old)BothNormal

  • 6455919
  • details UrineDetected and Quantified0.05 (0.0 – 0.1) umol/mmol creatinineNewborn (0-30 days old)Not SpecifiedNormal

  • 6980322
  • details

    Abnormal Concentrations

    Biofluid Status Value Age Sex Condition Reference Details UrineDetected but not Quantified Newborn (0-30 days old)Not Available

    Congenital adrenal hyperplasia

  • 6980322
  • details

    Associated Disorders and Diseases Disease References

    None Associated OMIM IDs

    None External Links DrugBank ID

    Not Available DrugBank Metabolite ID

    Not Available Phenol Explorer Compound ID

    Not Available Phenol Explorer Metabolite ID

    Not Available FoodDB ID

    FDB021942 KNApSAcK ID

    Not Available Chemspider ID

    4955002 KEGG Compound ID

    C06390 BioCyc ID

    Not Available BiGG ID

    Not Available Wikipedia Link

    Not Available NuGOwiki Link

    HMDB00315 Metagene Link

    HMDB00315 METLIN ID

    5304 PubChem Compound

    6452574 PDB ID

    Not Available ChEBI ID

    771

    Product: Glaucocalyxin B

    References Synthesis Reference Pierrepoint, C. G.; Griffiths, Keith; Grant, James K. In vitro studies of feminizing tumors of the testis of man and dog. Proc. Int. Congr. Horm. Steroids, 2nd (1967), Meeting Date 1966, 761-6. Material Safety Data Sheet (MSDS) Not Available General References
    1. Lee SH, Nam SY, Chung BC: Altered profile of endogenous steroids in the urine of patients with prolactinoma. Clin Biochem. 1998 Oct;31(7):529-35. [PubMed:9812172 ]
    2. Homoki J, Teller WM: Increased urinary excretion of total 16 alpha-hydroxypregnenolone in newborn infants with congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Klin Wochenschr. 1982 Apr 15;60(8):407-10. [PubMed:6980322 ]

    PMID: 15795231