CAS Products

Whether you are an experienced information or IP professional or a student or scientist who needs current and accurate scientific information, CAS offers products designed to match your needs.


SciFinder is a research discovery application that provides unlimited access to the world's most comprehensive and authoritative source of references, substances and reactions in chemistry and related sciences.

Make better, more confident decisions knowing that you have access to the largest collection of substances, reactions, and patent and journal references produced, compiled, and updated daily by CAS scientists around the world.

Save time with an array of powerful tools to search, filter, analyze and plan that allow you to quickly find the most relevant answers to your research questions. Learn more


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. Learn more

Science IP®

Science IP is the CAS information search service that provides fast, accurate and comprehensive searches of the world’s scientific and technical literature. Science IP can assist your organization with a variety of customized searching and competitive analysis capabilities in the field of scientific intellectual property protection. From an exhaustive search to a focused report, Science IP ensures you will have confidence in your business decisions. Learn more

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