CAS Number Search

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The CAS Number search option* allows you to quickly retrieve substance information for a compound of interest. Use this search option to:

To use CAS Number search, click the CAS Number Search option on the Navigation Frame. Then follow these steps:

  1. Enter a CAS Number or chemical name: Enter a CAS (Registry) Number or chemical name in the box provided. Click the Browse Index button to see if your term is included in the database index.
  2. Search: Click Search. The answer(s) from the Registry database are displayed on the Answer page.

You may also recall Saved Search Terms.