<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2020-03-31 16:40:47 UTC</creation_date>
  <update_date>2020-06-04 21:36:08 UTC</update_date>
  <accession>BMDB0109645</accession>
  <secondary_accessions>
  </secondary_accessions>
  <name>16-Methylheptadecanoic acid</name>
  <description/>
  <synonyms>
    <synonym>(+)-Isostearic acid</synonym>
    <synonym>16-Methylmargaric acid</synonym>
    <synonym>Isooctadecanoic acid</synonym>
    <synonym>Isostearic acid</synonym>
    <synonym>(+)-Isostearate</synonym>
    <synonym>16-Methylmargarate</synonym>
    <synonym>Isooctadecanoate</synonym>
    <synonym>Isostearate</synonym>
    <synonym>16-Methylheptadecanoate</synonym>
    <synonym>2-Methyl-heptadecanoic acid</synonym>
    <synonym>16-Methyl margaric acid</synonym>
    <synonym>16-Methyl-heptadecanoic acid</synonym>
    <synonym>Lambda-isostearic acid</synonym>
  </synonyms>
  <chemical_formula>C18H36O2</chemical_formula>
  <average_molecular_weight>284.4772</average_molecular_weight>
  <monisotopic_moleculate_weight>284.271530396</monisotopic_moleculate_weight>
  <iupac_name>16-methylheptadecanoic acid</iupac_name>
  <traditional_iupac>(+)-isostearic acid</traditional_iupac>
  <cas_registry_number>2724-58-5</cas_registry_number>
  <smiles>CC(C)CCCCCCCCCCCCCCC(O)=O</smiles>
  <inchi>InChI=1S/C18H36O2/c1-17(2)15-13-11-9-7-5-3-4-6-8-10-12-14-16-18(19)20/h17H,3-16H2,1-2H3,(H,19,20)</inchi>
  <inchikey>XDOFQFKRPWOURC-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Fatty Acyls</class>
    <sub_class>Fatty acids and conjugates</sub_class>
    <direct_parent>Long-chain fatty acids</direct_parent>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Methyl-branched fatty acids</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Branched fatty acid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Long-chain fatty acid</substituent>
      <substituent>Methyl-branched fatty acid</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>Branched fatty acids</external_descriptor>
      <external_descriptor>branched-chain saturated fatty acid</external_descriptor>
      <external_descriptor>long-chain fatty acid</external_descriptor>
      <external_descriptor>methyl-branched fatty acid</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state/>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>7.87</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-6.50</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>6.99</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>4.95</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>16-methylheptadecanoic acid</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>284.4772</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>284.271530396</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CC(C)CCCCCCCCCCCCCCC(O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C18H36O2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C18H36O2/c1-17(2)15-13-11-9-7-5-3-4-6-8-10-12-14-16-18(19)20/h17H,3-16H2,1-2H3,(H,19,20)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>XDOFQFKRPWOURC-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>37.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>86.23</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>38.37</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>15</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>-1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>0</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>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7568</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7569</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7570</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14240</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14241</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14242</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2672936</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2672937</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2672938</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3032744</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3032745</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3032746</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>13991</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>42340</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>173020</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>3796.44</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Fatty acid of subcutaneous fat. Calf-finished</comment>
      <references>
        <reference>
          <reference_text>Mapiye C, Turner TD, Basarab JA, Baron VS, Aalhus JL, Dugan ME: Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants. J Anim Sci Biotechnol. 2013 Nov 4;4(1):41. doi: 10.1186/2049-1891-4-41.</reference_text>
          <pubmed_id>24188642</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>4429.18</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Fatty acid of subcutaneous fat. With growth promoting implants</comment>
      <references>
        <reference>
          <reference_text>Mapiye C, Turner TD, Basarab JA, Baron VS, Aalhus JL, Dugan ME: Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants. J Anim Sci Biotechnol. 2013 Nov 4;4(1):41. doi: 10.1186/2049-1891-4-41.</reference_text>
          <pubmed_id>24188642</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>4851</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Fatty acid of subcutaneous fat. Without growth promoting implants</comment>
      <references>
        <reference>
          <reference_text>Mapiye C, Turner TD, Basarab JA, Baron VS, Aalhus JL, Dugan ME: Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants. J Anim Sci Biotechnol. 2013 Nov 4;4(1):41. doi: 10.1186/2049-1891-4-41.</reference_text>
          <pubmed_id>24188642</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>5557.56</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Fatty acid of subcutaneous fat. Yearling-finished</comment>
      <references>
        <reference>
          <reference_text>Mapiye C, Turner TD, Basarab JA, Baron VS, Aalhus JL, Dugan ME: Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants. J Anim Sci Biotechnol. 2013 Nov 4;4(1):41. doi: 10.1186/2049-1891-4-41.</reference_text>
          <pubmed_id>24188642</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <comment>Fatty acid of subcutaneous fat from beef steers. Steers were fed grasshay with flaxseed for 205 days.</comment>
      <references>
        <reference>
          <reference_text>Petri RM, Mapiye C, Dugan ME, McAllister TA: Subcutaneous adipose fatty acid profiles and related rumen bacterial populations of steers fed red clover or grass hay diets containing flax or sunflower-seed. PLoS One. 2014 Aug 5;9(8):e104167. doi: 10.1371/journal.pone.0104167. eCollection 2014.</reference_text>
          <pubmed_id>25093808</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>231.65</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Intramuscular (IMF) fat of beef steers fed red clover silage with flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>288.95</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Intramuscular (IMF) fat of beef steers fed red clover silage without flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>3993.43</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Perirenal (PF) fat of beef steers fed red clover silage with flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>5777.55</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Perirenal (PF) fat of beef steers fed red clover silage without flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>4047.46</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Subcutaneous (SF) fat of beef steers fed red clover silage with flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value>5470.7</concentration_value>
      <concentration_units>nmol/g of tissue</concentration_units>
      <comment>Subcutaneous (SF) fat of beef steers fed red clover silage without flaxseed.</comment>
      <references>
        <reference>
          <reference_text>C. Mapiye, T.D.Turner, D.C.Rolland, J.A.Basarab, V.S.Baron, T.A.McAllister, H.C. Block, B.Uttaro, J.L.Aalhus, M.E.R.Dugan. Adipose tissue and muscle fatty acid profiles of steers fed red clover silage with and without flaxseed. Livestock Science. 151(2013)11-20.</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <comment>Fatty acid of subcutaneous fat from beef steers. Steers were fed grasshay with sunflower seed for 205 days.</comment>
      <references>
        <reference>
          <reference_text>Petri RM, Mapiye C, Dugan ME, McAllister TA: Subcutaneous adipose fatty acid profiles and related rumen bacterial populations of steers fed red clover or grass hay diets containing flax or sunflower-seed. PLoS One. 2014 Aug 5;9(8):e104167. doi: 10.1371/journal.pone.0104167. eCollection 2014.</reference_text>
          <pubmed_id>25093808</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <comment>Fatty acid of subcutaneous fat from beef steers. Steers were fed red clove silage with flaxseed for 205 days.</comment>
      <references>
        <reference>
          <reference_text>Petri RM, Mapiye C, Dugan ME, McAllister TA: Subcutaneous adipose fatty acid profiles and related rumen bacterial populations of steers fed red clover or grass hay diets containing flax or sunflower-seed. PLoS One. 2014 Aug 5;9(8):e104167. doi: 10.1371/journal.pone.0104167. eCollection 2014.</reference_text>
          <pubmed_id>25093808</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <comment>Fatty acid of subcutaneous fat from beef steers. Steers were fed red clove silage with sunflower seed for 205 days.</comment>
      <references>
        <reference>
          <reference_text>Petri RM, Mapiye C, Dugan ME, McAllister TA: Subcutaneous adipose fatty acid profiles and related rumen bacterial populations of steers fed red clover or grass hay diets containing flax or sunflower-seed. PLoS One. 2014 Aug 5;9(8):e104167. doi: 10.1371/journal.pone.0104167. eCollection 2014.</reference_text>
          <pubmed_id>25093808</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <foodb_id>FDB003068</foodb_id>
  <chemspider_id>20545</chemspider_id>
  <pubchem_compound_id>21859</pubchem_compound_id>
  <chebi_id>84896</chebi_id>
  <drugbank_id/>
  <phenol_explorer_compound_id/>
  <knapsack_id/>
  <kegg_id>C20356</kegg_id>
  <meta_cyc_id/>
  <bigg_id/>
  <wikipedia_id/>
  <metlin_id/>
  <pdbe_id/>
  <synthesis_reference/>
  <general_references>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
