<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 22:28:27 UTC</creation_date>
  <update_date>2020-05-11 20:57:30 UTC</update_date>
  <accession>BMDB0000315</accession>
  <secondary_accessions>
    <accession>BMDB00315</accession>
  </secondary_accessions>
  <name>16-a-Hydroxypregnenolone</name>
  <description/>
  <synonyms>
    <synonym>(3beta,16alpha)-3,16-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>16-alpha-Hydroxypregnenolone</synonym>
    <synonym>(3b,16a)-3,16-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>(3Β,16α)-3,16-dihydroxypregn-5-en-20-one</synonym>
    <synonym>16-Α-hydroxypregnenolone</synonym>
    <synonym>16 alpha-Hydroxypregnenolone</synonym>
    <synonym>16-a-Hydroxy-pregnenolone</synonym>
    <synonym>16-alpha-Hydroxy-pregnenolone</synonym>
    <synonym>16alpha-Hydroxypregnenolone</synonym>
    <synonym>3b,16a-Dihydroxypreg-5-en-20-one</synonym>
    <synonym>3b,16a-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>3b,16a-Dihydroxypregnen-5-en-20-one</synonym>
    <synonym>5-Pregnene-3b,16a-diol-20-one</synonym>
    <synonym>Pregn-5-en-3b,16a-diol-20-one</synonym>
    <synonym>3 alpha,16 alpha-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>3 beta,16 alpha-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>3 beta,16 beta-Dihydroxypregn-5-en-20-one</synonym>
    <synonym>16a-Hydroxypregnenolone</synonym>
    <synonym>16Α-hydroxypregnenolone</synonym>
    <synonym>16-a-Hydroxypregnenolone</synonym>
  </synonyms>
  <chemical_formula>C21H32O3</chemical_formula>
  <average_molecular_weight>332.477</average_molecular_weight>
  <monisotopic_moleculate_weight>332.23514489</monisotopic_moleculate_weight>
  <iupac_name>1-[(1S,2R,5S,10S,11S,13R,14R,15S)-5,13-dihydroxy-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]ethan-1-one</iupac_name>
  <traditional_iupac>1-[(1S,2R,5S,10S,11S,13R,14R,15S)-5,13-dihydroxy-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]ethanone</traditional_iupac>
  <cas_registry_number>520-88-7</cas_registry_number>
  <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</smiles>
  <inchi>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>
  <inchikey>ZAKJZPQDUPCXSD-YRWKUUEZSA-N</inchikey>
  <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.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Steroids and steroid derivatives</class>
    <sub_class>Pregnane steroids</sub_class>
    <direct_parent>Gluco/mineralocorticoids, progestogins and derivatives</direct_parent>
    <alternative_parents>
      <alternative_parent>16-alpha-hydroxysteroids</alternative_parent>
      <alternative_parent>20-oxosteroids</alternative_parent>
      <alternative_parent>3-beta-hydroxy delta-5-steroids</alternative_parent>
      <alternative_parent>3-beta-hydroxysteroids</alternative_parent>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Delta-5-steroids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Ketones</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Secondary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>16-alpha-hydroxysteroid</substituent>
      <substituent>16-hydroxysteroid</substituent>
      <substituent>20-oxosteroid</substituent>
      <substituent>3-beta-hydroxy-delta-5-steroid</substituent>
      <substituent>3-beta-hydroxysteroid</substituent>
      <substituent>3-hydroxy-delta-5-steroid</substituent>
      <substituent>3-hydroxysteroid</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic homopolycyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Cyclic alcohol</substituent>
      <substituent>Delta-5-steroid</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxysteroid</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxosteroid</substituent>
      <substituent>Progestogin-skeleton</substituent>
      <substituent>Secondary alcohol</substituent>
    </substituents>
    <molecular_framework>Aliphatic homopolycyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>16alpha-hydroxy steroid</external_descriptor>
      <external_descriptor>3beta-hydroxy steroid</external_descriptor>
      <external_descriptor>C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives</external_descriptor>
      <external_descriptor>hydroxypregnenolone</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.79</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.76</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>2.35</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>14.75</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-1.4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>1-[(1S,2R,5S,10S,11S,13R,14R,15S)-5,13-dihydroxy-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]ethan-1-one</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>332.477</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>332.23514489</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>[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</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C21H32O3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>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</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>ZAKJZPQDUPCXSD-YRWKUUEZSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>57.53</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>95.27</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>38.92</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1328</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>27194</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>27195</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>27196</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>33752</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>33753</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>33754</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3061481</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3061482</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3061483</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3109530</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3109531</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3109532</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1271</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>11380</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37423</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>160952</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057975</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057977</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057979</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057981</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057983</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057985</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057987</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057989</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057991</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057993</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057995</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057997</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1057999</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1058001</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1058003</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1058005</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1058007</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Umbilical Cord</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <chemspider_id>4955002</chemspider_id>
  <foodb_id>FDB021942</foodb_id>
  <pubchem_compound_id>6452574</pubchem_compound_id>
  <phenol_explorer_compound_id/>
  <kegg_id>C06390  </kegg_id>
  <chebi_id>771</chebi_id>
  <knapsack_id/>
  <pdbe_id/>
  <drugbank_id/>
  <meta_cyc_id/>
  <bigg_id/>
  <wikipedia_id/>
  <metlin_id>5304</metlin_id>
  <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.</synthesis_reference>
  <general_references>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
