<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-03-26 20:46:01 UTC</creation_date>
  <update_date>2026-05-20 16:07:14 UTC</update_date>
  <accession/>
  <common_name>Lysine</common_name>
  <class>SmallMolecule</class>
  <description>Lysine is an organic compound with the formula C6H14N2O2 and an average molecular weight of 146.19 g/mol. Lysine belongs to the amino acids, peptides, and analogues, a subclass of carboxylic acids and derivatives within the organic compounds. Industrially, the compound is utilized as a nutrient and a flavouring. It has been recorded as being released from or found in electrical and electronic equipment, specifically antennas and adjustable resistors.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>(+/-)-2,6-Diaminohexanoic acid monohydrate</synonym>
    <synonym>(2R)-2,6-diaminohexanoic acid</synonym>
    <synonym>(2S)-2,6-Diaminocaproic acid</synonym>
    <synonym>(2S)-2,6-diaminohexanoic acid</synonym>
    <synonym>(Ãƒâ€šÃ‚Â±)-2,6-Diaminohexanoic Acid</synonym>
    <synonym>(Ãƒâ€šÃ‚Â±)-Lysine</synonym>
    <synonym>(R)-2,6-Diaminohexanoic acid</synonym>
    <synonym>(S)-.alpha.,.epsilon.-Diaminocaproic acid</synonym>
    <synonym>(S)-2,6-DIAMINOCAPROIC ACID</synonym>
    <synonym>(S)-2,6-diaminohexanoic acid</synonym>
    <synonym>(S)-lysine</synonym>
    <synonym>.alpha.,.epsilon.-Diaminocaproic acid</synonym>
    <synonym>.alpha.-Lysine</synonym>
    <synonym>2,6-diaminohexanoic acid</synonym>
    <synonym>2-amino-6-azaniumylhexanoate</synonym>
    <synonym>200-294-2</synonym>
    <synonym>200-740-6</synonym>
    <synonym>246-229-1</synonym>
    <synonym>ALPHA,EPSILON-DIAMINOCAPROIC ACID</synonym>
    <synonym>Aminutrin</synonym>
    <synonym>D-2,6-Diaminohexanoic acid</synonym>
    <synonym>D-Lysine</synonym>
    <synonym>dextro,laevo-lysine</synonym>
    <synonym>DL-alpha,epsilon-Diaminocaproic Acid</synonym>
    <synonym>DL-Lysine</synonym>
    <synonym>DL-Lysine base</synonym>
    <synonym>DL-Lysine Hydrochloride</synonym>
    <synonym>DLY</synonym>
    <synonym>epsilon-polylysine</synonym>
    <synonym>H-DL-Lys-OH</synonym>
    <synonym>H-DL-Lys-OH.H2O</synonym>
    <synonym>H-DL-Lys-OH.H_2O</synonym>
    <synonym>H-Lys-OH</synonym>
    <synonym>Hexanoic acid, 2,6-diamino-, (S)-</synonym>
    <synonym>KDXKERNSBIXSRK-UHFFFAOYSA-N</synonym>
    <synonym>L-(+)-Lysine</synonym>
    <synonym>L-2,6-Diaminocaproic acid</synonym>
    <synonym>L-H2N(CH2)4CH(NH2)COOH</synonym>
    <synonym>L-Lysine</synonym>
    <synonym>L-Lysine acetate</synonym>
    <synonym>L-Lysine base</synonym>
    <synonym>L-Lysinebase</synonym>
    <synonym>L-Norleucine, 6-amino-</synonym>
    <synonym>laevo-lysine</synonym>
    <synonym>Lys</synonym>
    <synonym>Lysin</synonym>
    <synonym>Lysine</synonym>
    <synonym>Lysine #</synonym>
    <synonym>LYSINE (DL)</synonym>
    <synonym>Lysine acid</synonym>
    <synonym>LYSINE, (L)</synonym>
    <synonym>Lysine, DL-</synonym>
    <synonym>Lysine, L-</synonym>
    <synonym>Lysine, monohydrochloride, DL-</synonym>
    <synonym>MFCD01742717</synonym>
    <synonym>poly-D-lysine</synonym>
    <synonym>polylysine</synonym>
    <synonym>ST50824025</synonym>
    <synonym>UNII:AI4RT59273</synonym>
    <synonym>Z-lysine</synonym>
    <synonym>[70-54-2]</synonym>
  </synonyms>
  <chemical_formula>C6H14N2O2</chemical_formula>
  <average_molecular_weight>146.19</average_molecular_weight>
  <monisotopic_moleculate_weight>146.105528</monisotopic_moleculate_weight>
  <iupac_name/>
  <traditional_iupac/>
  <cas_registry_number>70-54-2</cas_registry_number>
  <smiles>NCCCC[C@H](N)C(O)=O</smiles>
  <inchi>InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)</inchi>
  <inchikey>KDXKERNSBIXSRK-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom/>
    <super_class/>
    <class/>
    <sub_class/>
    <direct_parent/>
    <alternate_parents/>
    <substituents/>
    <molecular_framework/>
    <descriptors/>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties>
    <property>
      <kind>logp</kind>
      <value>-3.2</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>average_mass</kind>
      <value>146.19</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>146.105528</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>NCCCC[C@H](N)C(O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C6H14N2O2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>KDXKERNSBIXSRK-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <route_of_exposure/>
  <mechanism_of_toxicity/>
  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bf30d33e8&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id>DB00123</drugbank_id>
  <hmdb_id/>
  <pubchem_compound_id>5248709</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>843</chemspider_id>
  <kegg_id/>
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  <biocyc_id/>
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  <general_references/>
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</compound>
