# CAS (Chemical Abstracts Service)
> CAS (Chemical Abstracts Service) is a specialized division of the American Chemical Society that provides scientific information solutions. Its flagship product, SciFinder (now CAS SciFinder-n), is the global standard for searching chemical substances, reactions, and literature, powered by the world-renowned CAS REGISTRY.
- URL: https://optimly.ai/brand/cas-chemical-abstracts-service-scifinder
- Slug: cas-chemical-abstracts-service-scifinder
- BAI Score: 92/100
- Archetype: Challenger
- Category: Scientific Informatics
- Last Analyzed: April 10, 2026
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- Clarivate Derwent (https://optimly.ai/brand/clarivate-derwent)