STN goes beyond content and tools. As your partner with more than 30 years of dedicated service to professional searchers, we care about the quality of your search results and are ready to help when you need us.

  • Knowledgeable and dependable STN representatives provide quality service, support and training worldwide
  • With STN, your search is always 100% confidential
  • STN offers system reliability that consistently exceeds 99%


Contact the CAS Customer Center when you have questions or require timely technical or search assistance.

STN also offers extensive training and user resources. In-product Help is also available to support your success.



Learn More About STN
View STN digital brochure

STN News - What's New on STN

    March/April 2017 | Latest Release of New STN
    Enhances Search History and Expands Database

    January/February 2017 | 2017 Version of MEDLINE
    is Now Available    
    November/December 2016 | PatentPak Content is 
    Rapidly Expanding!

View or sign-up for STN News e-Newsletter

STN Training

Training Events

View and Register for online training



STN Support