CAS Scifinder Logo

CAS SciFinder is the new and improved edition of SciFinder by CAS and now includes PatentPak. CAS is a division of the American Chemical Society.

  • New  CAS SciFinder users registration:
    • Only new students, faculty and staff must first register for a CAS SciFinder username and password in order to log into CAS SciFinder
    • CAS SciFinder registration link
  • Current SciFinder users access to CAS SciFinder :
    • You can log into CAS SciFinder using this link with your original SciFinder username and password.


  • To avoid any confusion or technical issues only register at the library’s CAS SciFinder webpage
  • Do not use the internet to go directly to the CAS website to register.

Support and Training 

CAS SciFinder tutorials:

Got a question? Contact the COS librarian or ask at the Reference Desk.

Chat with a Librarian