Activate ChemDraw/CAS SciFinder Proxy Connection

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Once you activate your proxy connection, you may search SciFinder with structures drawn within ChemDraw.

Note: The proxy connection to CAS SciFinder requires ChemDraw 18 or above.

Please follow the steps below to activate ChemDraw/CAS SciFinder your proxy connection:

  1. Sign in to access CAS SciFinder as you would normally when using your institution's proxy.
  2. Copy the CAS SciFinder proxy access URL shown in the address bar of the Home page. Note: There are several URL solutions, but this is our recommended approach. If you have trouble, your library website or science librarian can help you.
  3. Return to ChemDraw and click the SFnMiniLogo.png (Search CAS SciFinder) icon.

  4. Click Proxy Settings.


  5. Paste the URL you copied or obtained in Step 2 (from the Home page) in the provided field. Note: ChemDraw retains your proxy settings for future use.


If you have additional issues or questions, please contact the CAS Customer Center.