The following resources are available to assist you with using STN Express® software.


Getting Started

Complete User Guide

Help Files


~371 KB PDF

 ~2 MB PDF


~196 KB PDF 

~1 MB PDF 



For information on using CAS Registry BLAST, view this PDF or click here for additional details. 


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   800-753-4227 (North America)
        614-447-3700 (Worldwide)
        614-447-3751 (Fax)

            Information on Chemical Supplier Program