CAS Scifinder Logo

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


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

Support and Training 

CAS SciFindern tutorials:

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

Chat with a Librarian