The following databases currently participate in the STN Information Keep & Share ProgramSM.
Click the database name to view the STN database summary sheet. Click View in the Usage Terms column to see database-specific usage guidelines.
|* ||Does not include permission to ARCHIVE and/or REDISTRIBUTE structure connection tables. |
|** ||For practice and teaching purposes; no additional charge for ARCHIVE or REDISTRIBUTE of records. |
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ARCHIVE purchase required only if your worldwide organization exceeds archive of more than 50,000 CAS records in one calendar year; REDISTRIBUTE purchase required only if you redistribute search results to more than 50 users in your work group and/or more than 5 users outside your work group in your worldwide organization; see HELP USAGETERMS online or CAS Information Use Policies for details.