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What is Chemical Entities of Biological Interest?

A structured classification of chemical compounds of biological relevance.

EVS Processing and Usage

EVS downloads the chebi.obo.gz from monthly.  It is loaded directly into LexEVS using the  There is no other processing.

  • Use wget to download the gzip directly into the ChEBI data directory. 
  • Use gunzip to unzip.  
  • Use "more chebi.obo" to check the version number at the top of the file
  • Use "mv chebi.obo chebi_v###.obo" to rename the file with the version
  • Update the manifest and metadata with the version
  • Load using
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