ontologies
FOODON
FoodOn (FOODON)
OWL
Last submission date April 11, 2024
ID http://purl.obolibrary.org/obo/CHEBI_59999
http://purl.obolibrary.org/obo/CHEBI_59999
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Preferred name

chemical substance

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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