SciFinder Scholar provides online access to Chemical Abstracts (1907-present), Medline, the CA Registry File, CAS Reacts, and ChemCats. It includes indexing for over 21 million articles from over 8,000 journals, patents from 38 patent-granting agencies worldwide, information on over 50 million chemical substances, and over 6 million chemical reactions.
This is available for use by Penn State faculty, staff and students only. To register go to the SciFinder Scholar registration page. If you are not affiliated with Penn State, you can go to http://www.cas.org to get information on how to subscribe to SciFinder Scholar.
Once you have completed your registration you can access SciFinder Scholar @ https://scifinder.cas.org.