STN Support

STN LogoSTN Support                                     

What type of support do you need?

Contact the CAS Customer Center for all of your STN software, technical and other support needs.

In North America, contact the CAS Customer Center and STN Helpdesk by phone, email or fax.


8 a.m. - 8 p.m. Eastern Time (Monday - Friday)







1-800-753-4227 (North America)

Option 2
: General information or account-related
Option 3: Assistance with search strategies, database
content, or using a product
Option 4: Technical assistance with software setup,
installation, and configuration 

+1 614-447-3700 (outside North America)




Customers outside of North America should contact their local STN service center.


STN News - What's New on STN

   September, 2015 | PatentPak - A Time Saving
   Solution for IP Professionals - Is Coming to STN
   in Early 2016!
   July/August, 2015 | Latest New STN Release Features
   Eight New Databases Including MARPAT from CAS for
   Markush Structure Searching
   June, 2015 | CAS REGISTRY – 50 Years Strong, 100
   Million Substances Driving Your Research


View or sign-up for STN News e-Newsletter

STN Training

Training Events
     PatentPak(TM) - a Time-saving Solution Coming
     Soon to STN!
      November 4, 9am EST
      November 4, 1pm EST

     Searching DWPI Polymer Indexing on new STN
      November 19, 9am EST
      November 19, 2pm EST
Click here to Register

    STN Patent Forum
      October 12, 9:00am - 4:00pm EDT
      NE PIUG Meeting, New Brunswick NJ
Click here to Register for the STN Patent Forum

Contact Us

E-mail   Phone & Fax   800-753-4227 (North America)
    614-447-3700 (Worldwide)
    614-447-3751 (Fax)

        Information on Chemical Supplier Program