STN on the Web

The Power of STN with the Convenience of the Web

Release History

STN International is the online scientific and technical information service dedicated to meeting the information needs of scientists, engineers, and information professionals throughout the world. STN provides a complete collection of in-depth databases in science and technology to give you quick, direct links to the literature, patents, and chemical catalogs.

STN is operated by Chemical Abstracts Service (CAS), a division of the American Chemical Society, in North America; FIZ Karlsruhe (FIZ-K), in Europe; and Japan Association for International Chemical Information (JAICI), in Japan.

STN databases cover a wide range of scientific and technical topics including:

  • agriculture
  • health and safety
  • biology
  • materials science
  • biotechnology
  • mathematics
  • business
  • medicine
  • chemistry
  • patents
  • energy
  • petroleum
  • engineering
  • pharmacology
  • food and feed
  • physics
  • geology
  • toxicology
  • government regulations

STN on the Web offers web-browser access to the complete content and functionality of STN for information professionals and advanced end-users. (For other access routes to STN, see STN Links .) Using your web browser you have convenient access to an unparalleled collection of essential science and technology databases on STN.

STN on the Web combines the STN command functionality with web-browser technology. The complete set of STN commands, as well as graphic chemical structure searching is available. Also available are browser features such as hyperlinks, images integrated in text, and context-sensitive help. STN on the Web also offers seamless access to electronic and paper full-text resources, as well as the wealth of STNīs user documentation just a click away.


STN on the Web main features at a glance:

For a detailed description of STN on the Web features, click here.

For a summary of STN on the Web enhancements, click here.


Technical requirements for using STN on the Web:


Access to STN on the Web

  • Current STN customers have their existing STN login ID and password automatically activated to access STN on the Web.
  • All STN academic accounts have access to STN on the Web at the same times and under the same terms and restrictions that apply for traditional access to STN.
  • Accounts that were set up to access only STN Easy will need to be upgraded in order to access STN on the Web.

To obtain an STN account, fax or mail a completed STN Account Set Up and Agreement Form. For more information and to download the STN Account Set Up and Agreement Form, click here.