CAS Registry Services℠

Stay up-to-date with a trusted scientific search engine

Keep up with the latest developments in your field using CAS SciFinder®, our advanced chemistry search engine powered by our global content collection.

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Access the latest publications

Base your research on the most current information using CAS SciFinder as your literature search engine. Our experts update our publications database daily, with new releases from the major journals and patent offices curated, indexed, and added to the CAS Content CollectionTM within 1-2 days.

Browse human-curated substances

Delve into CAS REGISTRY® with a state-of-the-art chemical structure search engine. Go straight to relevant substance details, reactions, and insights with sophisticated capabilities, including the CAS Draw editor for structure searching and filters for functional groups and numbers of components.

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Explore expert insights

Go beyond basic results with a scientific search engine built on human-curated content. Discover concepts, trends, and opportunities from global knowledge, connected by industry experts to advance your innovations.

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Set Alerts for your research interests

Get notified of new results for any CAS SciFinder search with the Alerts feature. Alerts retain the complex filters of your original search, ensuring the most relevant updates are sent to you daily, weekly, or monthly.

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Featured resources

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Training: Substance Searching

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Training: Reaction Searching

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Training: Reference Searching

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