<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 23:05:43 UTC</creation_date>
  <update_date>2020-05-21 16:29:06 UTC</update_date>
  <accession>BMDB0003648</accession>
  <secondary_accessions>
    <accession>BMDB03648</accession>
  </secondary_accessions>
  <name>Retinyl palmitate</name>
  <description>Retinyl palmitate, also known as retinyl palmitate or retinyl palmitate, belongs to the class of organic compounds known as wax monoesters. These are waxes bearing an ester group at exactly one position. Retinyl palmitate is a drug. Retinyl palmitate exists as a solid very hydrophobic, practically insoluble (in water), and relatively neutral. In cattle, retinyl palmitate is involved in the metabolic pathway called the retinol metabolism pathway.</description>
  <synonyms>
    <synonym>(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenyl hexadecanoate</synonym>
    <synonym>(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8,tetraenyl hexadecanoic acid ester</synonym>
    <synonym>Afaxin</synonym>
    <synonym>all-trans-Retinol palmitate</synonym>
    <synonym>all-trans-Retinyl hexadecanoate</synonym>
    <synonym>Alphalin</synonym>
    <synonym>Aquasol a</synonym>
    <synonym>Arovit</synonym>
    <synonym>Chocola a</synonym>
    <synonym>O(15)-Hexadecanoylretinol</synonym>
    <synonym>Optovit-a</synonym>
    <synonym>Retinol hexadecanoate</synonym>
    <synonym>Retinol palmitate</synonym>
    <synonym>Retinyl hexadecanoate</synonym>
    <synonym>trans-Retinol palmitate</synonym>
    <synonym>trans-Retinyl palmitate</synonym>
    <synonym>Vitamin a palmitate</synonym>
    <synonym>all-trans-Retinyl palmitate</synonym>
    <synonym>(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenyl hexadecanoic acid</synonym>
    <synonym>(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8,tetraenyl hexadecanoate ester</synonym>
    <synonym>all-trans-Retinol palmitic acid</synonym>
    <synonym>all-trans-Retinyl hexadecanoic acid</synonym>
    <synonym>Retinol hexadecanoic acid</synonym>
    <synonym>Retinol palmitic acid</synonym>
    <synonym>Retinyl hexadecanoic acid</synonym>
    <synonym>trans-Retinol palmitic acid</synonym>
    <synonym>trans-Retinyl palmitic acid</synonym>
    <synonym>Vitamin a palmitic acid</synonym>
    <synonym>all-trans-Retinyl palmitic acid</synonym>
    <synonym>Retinyl palmitic acid</synonym>
    <synonym>all-trans-Vitamin a palmitate</synonym>
    <synonym>Aquapalm</synonym>
    <synonym>Axerophthol palmitate</synonym>
    <synonym>Dispatabs tabs</synonym>
    <synonym>Ester found in fish liver oils</synonym>
    <synonym>Lutavit a 500 plus</synonym>
    <synonym>Myvak</synonym>
    <synonym>Myvax</synonym>
    <synonym>Optovit a</synonym>
    <synonym>Testavol S</synonym>
    <synonym>Vitazyme a</synonym>
  </synonyms>
  <chemical_formula>C36H60O2</chemical_formula>
  <average_molecular_weight>524.8604</average_molecular_weight>
  <monisotopic_moleculate_weight>524.459331164</monisotopic_moleculate_weight>
  <iupac_name>(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-yl hexadecanoate</iupac_name>
  <traditional_iupac>vitamin a palmitate</traditional_iupac>
  <cas_registry_number>79-81-2</cas_registry_number>
  <smiles>CCCCCCCCCCCCCCCC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C</smiles>
  <inchi>InChI=1S/C36H60O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-25-35(37)38-30-28-32(3)23-20-22-31(2)26-27-34-33(4)24-21-29-36(34,5)6/h20,22-23,26-28H,7-19,21,24-25,29-30H2,1-6H3/b23-20+,27-26+,31-22+,32-28+</inchi>
  <inchikey>VYGQUTWHTHXGQB-FFHKNEKCSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as wax monoesters. These are waxes bearing an ester group at exactly one position.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Fatty Acyls</class>
    <sub_class>Fatty acid esters</sub_class>
    <direct_parent>Wax monoesters</direct_parent>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acid esters</alternative_parent>
      <alternative_parent>Diterpenoids</alternative_parent>
      <alternative_parent>Fatty alcohol esters</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Retinoids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic homomonocyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Diterpenoid</substituent>
      <substituent>Fatty alcohol ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Retinoid skeleton</substituent>
      <substituent>Wax monoester skeleton</substituent>
    </substituents>
    <molecular_framework>Aliphatic homomonocyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>Retinoids</external_descriptor>
      <external_descriptor>Retinoids</external_descriptor>
      <external_descriptor>retinyl palmitate</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>melting_point</kind>
      <value>28.5 °C</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>10.12</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-6.81</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>11.62</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-7</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-yl hexadecanoate</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>524.8604</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>524.459331164</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCCCCCCCCCCCCCCC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C36H60O2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C36H60O2/c1-7-8-9-10-11-12-13-14-15-16-17-18-19-25-35(37)38-30-28-32(3)23-20-22-31(2)26-27-34-33(4)24-21-29-36(34,5)6/h20,22-23,26-28H,7-19,21,24-25,29-30H2,1-6H3/b23-20+,27-26+,31-22+,32-28+</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>VYGQUTWHTHXGQB-FFHKNEKCSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>26.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>171.51</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>70.5</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>21</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>0</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>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>0</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>
    <pathway>
      <name>Retinol Metabolism</name>
      <smpdb_id>SMP0087260</smpdb_id>
      <kegg_map_id/>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>17365</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>58056</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>58057</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>58058</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>113901</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>113902</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>113903</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2288610</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2288611</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2288612</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2647671</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2647672</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2647673</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Adipose Tissue</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>
    <concentration>
      <biospecimen>Epidermis</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>
    <concentration>
      <biospecimen>Fibroblasts</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>
    <concentration>
      <biospecimen>Intestine</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>
    <concentration>
      <biospecimen>Placenta</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>
  <foodb_id>FDB030671</foodb_id>
  <chemspider_id>4444162</chemspider_id>
  <pubchem_compound_id>5280531</pubchem_compound_id>
  <pdbe_id/>
  <chebi_id>17616</chebi_id>
  <knapsack_id/>
  <kegg_id>C02588</kegg_id>
  <drugbank_id>DBSALT000855</drugbank_id>
  <meta_cyc_id>CHOCOLA_A</meta_cyc_id>
  <phenol_explorer_compound_id/>
  <bigg_id/>
  <wikipedia_id>Retinyl_palmitate</wikipedia_id>
  <metlin_id/>
  <synthesis_reference>Ajima, Ayako; Takahashi, Katsunobu; Matsushima, Ayako; Saito, Yuji; Inada, Yuji.  Retinyl esters synthesis by polyethylene glycol-modified lipase in benzene.    Biotechnology Letters  (1986),  8(8),  547-52.</synthesis_reference>
  <general_references>
  </general_references>
  <protein_associations>
    <protein>
      <protein_accession>BMDBP00535</protein_accession>
      <name>Diacylglycerol O-acyltransferase 2</name>
      <uniprot_id>Q70VZ8</uniprot_id>
      <gene_name>DGAT2</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
  </protein_associations>
</metabolite>
