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

        September 29, 2014 | Cooperative Patent Classification
        (CPC) Combination Set Data Now Available in CAplus,
        INPADOCDB and USPAT Databases
        July 28, 2014
    | Latest Release of New STN Now
        Available, Expands Global Patent Coverage and
        Enhances Search Capabilities
        June 30, 2014
    | CHEMCATS on STN Enhanced with
        New Search and Display Fields and More Frequent

    View or sign-up for STN News e-Newsletter

    STN Training

    Training Events

        February 3, 2015
        9:30 am EDT
        What's New in new STN?

        February 5, 2015
        9:30 am EDT
        Orientation to new STN Bibliographic Searching

        February 5, 2015
        1:00 pm EDT
        What's New in new STN

        February 9, 2015
        1:00 pm EDT
        What's New in new STN

        Register for all of the training classes here.

    Contact Us

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