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

   October, 2015 | Highlights from the PIUG 2015
   Northeast Conference
   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


View or sign-up for STN News e-Newsletter

STN Training

Training Events
     The Secret Life of CAplus
      November 24, 1pm EST

     New STN: Introduction (presented in French)
      December 1, 9am EST

     Unified Markush Search on new STN
      December 1, 9am EST
      December 1, 1pm EST

     Exploring GENESEQ(TM) (DGENE) on STN
      December 8, 4am EST
      December 8, 9am EST

     Derwent Markush Resource (DWPIM) now 
      available on STN!
      December 10, 4am EST
      December 10, 9am EST
      December 10, 2pm EST

     Structure Searching on new STN
      December 15, 1pm EST
      December 17, 9am EST
Click here to Register

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