ID Conversion Tool

This tool can be used to convert a list of PubChem IDs to ChemBridge IDs. If you are trying to convert another type of ID, please contact us at Please note that CAS# searches can be performed using the Search button, above.

  • Input is limited to 1 million characters (equivalent to approx. 100,000 IDs of 10 characters each).
  • Numbers can be entered as a column or list. Valid delimeters are: , ; | : [space]
  • Disclaimer: Third party ID matches to ChemBridge IDs are provided by the third party sites. You should verify a chemical structure match before ordering compounds.

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