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CAS STNext is the premier scientific IP information platform, connecting you to a comprehensive collection of global databases, scientist-curated content, and patent information with powerful precision search and analysis tools.

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Power your IP search

Discover the most up-to-date and complete collection of patent and non-patent scientific and technical content.

Find new connections

Search with confidence by taking advantage of data aggregated, analyzed, and curated by scientists.

Fuel innovation

Leverage efficient workflows to navigate growing data volumes and uncover new insights faster.


Comprehensive content

CAS STNext combines authoritative scientist-curated chemistry content from CAS, a comprehensive collection of patent information and patent full-texts, and more than 130 premier global databases covering chemistry, biomedical, pharmaceutical, intellectual property, and engineering disciplines.

Workflow support

Search efficiently by chemical structure, Markush, and numeric property while leveraging unique features designed for precision searching, including single-click analyze, alerts, and transcripts.

Precision search tools

Dive deeper with CAS Sequences and CAS Formulations modules to search by chemical structure or sequence and analyze your findings all in one solution.

"CAS STNext delivers complete, trustworthy results. I feel confident that I am capturing as much search scope as possible to make informed decisions about our products."
Source: TechValidate. TVID: 7C0-370-EBA
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Medium enterprise pharmaceuticals company