<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-09-22 17:23:22 UTC</creation_date>
  <update_date>2026-09-22 17:23:22 UTC</update_date>
  <accession>FDB118592</accession>
  <name>Magnesium protoporphyrin IX</name>
  <description/>
  <synonyms>
  </synonyms>
  <chemical_formula/>
  <average_molecular_weight/>
  <monisotopic_moleculate_weight/>
  <iupac_name>3-[(16Z)-5-(2-carboxyethyl)-14,19-diethenyl-4,10,15,20-tetramethyl-21,23,24,25-tetraaza-22-magnesahexacyclo[9.9.3.1³,⁶.1¹³,¹⁶.0⁸,²³.0¹⁸,²¹]pentacosa-1(20),2,4,6(25),7,9,11,13(24),14,16,18-undecaen-9-yl]propanoic acid</iupac_name>
  <traditional_iupac>3-[(16Z)-5-(2-carboxyethyl)-14,19-diethenyl-4,10,15,20-tetramethyl-21,23,24,25-tetraaza-22-magnesahexacyclo[9.9.3.1³,⁶.1¹³,¹⁶.0⁸,²³.0¹⁸,²¹]pentacosa-1(20),2,4,6(25),7,9,11,13(24),14,16,18-undecaen-9-yl]propanoic acid</traditional_iupac>
  <cas_registry_number/>
  <smiles/>
  <inchi/>
  <inchikey/>
  <taxonomy>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>4.15</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.08</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>4.84e-02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>7.07</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>3.82</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>2.98</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>3-[(16Z)-5-(2-carboxyethyl)-14,19-diethenyl-4,10,15,20-tetramethyl-21,23,24,25-tetraaza-22-magnesahexacyclo[9.9.3.1³,⁶.1¹³,¹⁶.0⁸,²³.0¹⁸,²¹]pentacosa-1(20),2,4,6(25),7,9,11,13(24),14,16,18-undecaen-9-yl]propanoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>110.24</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>165.03</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>67.39</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1236604</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1236605</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1236606</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1352071</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1352072</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1352073</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id/>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
