What's New in STN Express

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Get the latest version of STN Express

Take advantage of enhanced functionality and content now available in STN Express® (current version is

Key features in STN Express version 8.5.2/ releases include:

  • Compatibility with Windows 8 and 8.1
  • Improved structure drawing and displays 
  • Updated Create and Edit SDI Wizards now support RSS delivery of alert results
  • Revised Property and Spectra Wizards to reflect content portfolio updates 
  • Enhanced CAS REGISTRY BLAST® performance
  • Fixes for a variety of reported software issues
  • The Table Tool now allows customers to identify the source transcript for each record in a multi-transcript report

Install or upgrade to STN Express, Version

View the STN Express - Frequently Asked Technical Questions (PDF) for help on choosing an installer or checking your version of STN Express Software.

  1. Download the software directly from the STN Software License and Download site. Follow the instructions to download the software installation file to your desktop or to a download folder. Remember where you save the downloaded file. The file name begins with "v8_5".
  2. Exit STN Express and all other running programs. 
  3. Locate the software installation file that you downloaded and either double-click the file to launch the installer or right-click on the file and select Open.
  4. Follow the prompts to install Version
  5. Verify that STN Express Version installed. First, launch STN Express, then check your version of STN Express - select the Help Menu on the Main Toolbar then select About STN Express. 
  6. If the version is correct, you may delete the downloaded software installation file. If it is not Version, repeat steps 3-5. 

Additional Recommended Software: QuickTime from Apple Inc. - for STN Express features that involve images and graphics.

Need Help Getting Started Using STN Express, Version

Contact CAS Customer Center for more information about STN Express.

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
help@cas.org   800-753-4227 (North America)
    614-447-3700 (Worldwide)
    614-447-3751 (Fax)

        Information on Chemical Supplier Program