STN

 

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Accuracy, Precision, Currency and Power. Search professionals trust STN® for quality content and advanced search functionality.

Trusted and relied upon by patent offices and IP professionals worldwide, STN is the premier single source for the world's disclosed scientific and technical research. It is the only platform with complete CAS content, Derwent World Patents Index® (DWPISM) and the INPADOC family of databases. The STN family of products combines industry-leading search and retrieval with unique and comprehensive content.

STN Family of Products

The STN family of products offers several product interfaces and evaluation tools to meet the needs of information professionals worldwide.  When your research project requires the most precise and accurate scientific information, you can rely on STN.

STN Operations

STN is operated jointly by CAS and FIZ Karlsruhe worldwide and is represented in Japan by JAICI, whose network of knowledgeable STN representatives and agents delivers world-class customer support and training.

New STN Platform

The new STN platform is being designed and developed to turn the needs and priorities of today's patent experts into a state-of-the-art search and analysis system that works the way users do.  Read more>>

 

Want to Learn More About STN?

If you need more information about STN products or services or you are ready to get started with STN, complete this short form and an STN Representative will contact you.

 

STNews - What's New on STN

    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
    Updates
    
    May 28, 2014
| CAS REGISTRY BLAST Upgrade
    Improves Search Capabilities and Results Ranking


View or sign-up for STNews e-Newsletter

STN Events

Training

    September 16, 2014
    9:00 am and 2:00 pm EDT
    Structure Searching in DWPI Using STN Express

    September 18, 2014
    9:00 am EDT
    Introduction to Derwent World Patent Index (DWPI)

    October 7, 2014
    9:00 am EDT
    Structure Searching in MARPAT on STN

    October 28, 2014
    1:00 pm EDT
    Precision Searching in MARPAT


    Register for all of the training classes here.
          
Tradeshows

Contact Us

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