New on STN

November 2015

Change to PI field in CAplus records

November 2015

Derwent Markush Resource now available on the new STN platform!

September 2015

New Version of Emtree Introduces over 800 New Terms to Embase on Classic STN and New STN

STN User Meetings

Erfurt, 01.12.2015
Essen, 26.04.2016
Frankfurt, 11.05.2016


Databases on STN International

Your connection to sci-tech and patent information

For 30 years, STN® has been providing global access to an integrated network of the most important and comprehensive sci-tech and patent databases from the world’s most respected producers. With STN, you can find precisely what you need to answer business-critical questions, whether it’s the answer to a broad research question or information about a single molecule. Use STN to:

  • Investigate new research opportunities
  • Assess patentability and freedom-to-operate
  • Track competitive intelligence
  • Search for chemical substance and biosequence information
  • Support strategic business planning

Wide subject coverage

STN provides access to the optimal versions of CAS-produced databases, including CAplusSM and CAS REGISTRYSM, in terms of content, timeliness, and updating. As a tightly integrated system, STN ties together published research, journal literature, patents, structures, stereochemistry, trade names, physical properties, sequences, and other data. With STN, you can find information on a wide range of disciplines within natural, social, and applied sciences and mathematics, including:

  • Bioscience
  • Biotechnology
  • Business
  • Chemistry
  • Energy and Environment
  • Engineering
  • Health and Safety
  • Materials Science
  • Medicine
  • Nanotechnology
  • Patents
  • Pharmacology
  • Toxicology
  • and more

A world of patent information - STN's unparalleled offer

STN integrates the world’s largest and most important value-add and first level patent databases on one platform. Patent databases on STN are key information resources for determining patentability, state of the art, infringement, and the legal status of the patents. And: Only on STN you can search patent information from Thomson Reuters, Chemical Abstracts Service, and the European Patent Office’s worldwide Patent Information Resource in one place: Derwent WPI, CAplus, and INPADOCDB/INPAFAMDB.

In addition to these key databases, STN also provides full-text patent databases from the European Patent Office (EPFULL), the United States Patent and Trademark Office (USPATFULL), the World Intellectual Property Organization (PCTFULL), and more.

Unsurpassed substance searching

With REGISTRY, STN provides the world’s most authoritative collection of disclosed substance information, principally from patents and journals, but also from other reliable sources such as chemical catalogs, substance inventories, and collections on the web. In addition, STN provides access to other key substance databases, including CASREACT®, GENESEQ™ (DGENE), USGENE®, MARPAT®, and the Derwent Chemistry Resource of the Derwent World Patents Index® – making STN the most comprehensive source for substance information.

To support substance content, STN also provides the most robust substance searching capabilities available, including structure, property, sequence, and chemical name searching. When you find your substance of interest, STN also allows you to easily locate related references in the literature.