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Plant Trait Ontology
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Last submission date January 14, 2026
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http://purl.obolibrary.org/obo/CHEBI_59999
http://purl.obolibrary.org/obo/CHEBI_59999
https://agroportal.lirmm.fr/ontologies/TO/CHEBI_59999
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Preferred name
chemical substance
Synonyms
Chemische Substanz
Definitions
A chemical substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
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rdf:type
http://www.w3.org/2002/07/owl#Class
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rdfs:subClassOf
http://purl.obolibrary.org/obo/CHEBI_24431
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rdfs:label
chemical substance
obo_purl:IAO_0000115
A chemical substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
oboinowl_gen:hasRelatedSynonym
Chemische Substanz
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