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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:chemical substance
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Accession:CHEBI:59999 term browser browse the term
Definition:A chemical substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
Synonyms:related_synonym: Chemische Substanz

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Your selection has 14411 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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    Path 1
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      CHEBI ontology 19863
        chemical entity 19861
          chemical substance 14411
            biogenic substance + 0
            mineral + 4326
            mixture + 13731
            pure substance 0
            wax + 0
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