{
   "class" : {
      "rdf:type" : "rdfs:Class",
      "rdfs:comment" : "A chemical substance is 'a portion of matter of constant composition, composed of molecular entities of the same type or of different types' (source: [ChEBI:59999](https://www.ebi.ac.uk/chebi/searchId.do?chebiId=59999)).",
      "rdfs:label" : "ChemicalSubstance",
      "rdfs:subClassOf" : "schema:BioChemEntity",
      "schema:isPartOf" : "http:pending.schema.org",
      "schema:source" : [
         "https://www.ebi.ac.uk/chebi/searchId.do?chebiId=59999",
         "http:bioschemas.org"
      ]
   },
   "properties" : {
      "schema:chemicalComposition" : {
         "rdf:type" : "rdf:Property",
         "rdfs:comment" : "The chemical composition describes the identity and relative ratio of the chemical elements that make up the substance.",
         "rdfs:label" : "chemicalComposition",
         "schema:domainIncludes" : "schema:ChemicalSubstance",
         "schema:isPartOf" : "http:pending.schema.org",
         "schema:rangeIncludes" : "schema:Text",
         "schema:source" : "www.bioschemas:ChemicalSubstance"
      },
      "schema:chemicalRole" : {
         "rdf:type" : "rdf:Property",
         "rdfs:comment" : "A role played by the BioChemEntity within a chemical context.",
         "rdfs:label" : "chemicalRole",
         "schema:domainIncludes" : [
            "schema:ChemicalSubstance",
            "schema:MolecularEntity"
         ],
         "schema:isPartOf" : "http:pending.schema.org",
         "schema:rangeIncludes" : "schema:DefinedTerm",
         "schema:source" : "www.bioschemas:ChemicalSubstance"
      },
      "schema:potentialUse" : {
         "rdf:type" : "rdf:Property",
         "rdfs:comment" : "Intended use of the BioChemEntity by humans.",
         "rdfs:label" : "potentialUse",
         "schema:domainIncludes" : [
            "schema:ChemicalSubstance",
            "schema:MolecularEntity"
         ],
         "schema:isPartOf" : "http:pending.schema.org",
         "schema:rangeIncludes" : "schema:DefinedTerm",
         "schema:source" : "www.bioschemas:ChemicalSubstance"
      }
   }
}