Simply input a valid HS Code like: 7318.16, 8701, 0501, 84714900 etc. for which you would like to analyze, and click on search button. CAS / CUS Number Search. Enter a valid CAS Number (Chemical Abstract Number) like: 22199-08-2, or CAS No 1947-62-2, or CAS 683276-64-4 etc. or CUS Number like :