Empowering Innovation & Scientific Discoveries | CAS
CAS is a division of the American Chemical Society that provides products and services that help empower scientific discoveries. Check out our latest product, SciFinder-n, to see how you can inlock your R&D productivity.
CAS.org is the official website of the Chemical Abstracts Service (CAS), a division of the American Chemical Society. CAS is a leading source of chemical information, providing access to the most comprehensive and authoritative databases of chemical substances, reactions, and literature. The site serves as a gateway for researchers, scientists, and professionals in the chemical and related sciences to access a wide range of scientific information and tools.
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Website Key Features
SciFinder
A premier research discovery tool that allows you to explore the CAS databases containing literature from many scientific disciplines including biomedical sciences, chemistry, engineering, materials science, agricultural science, and more.
STN
An online service that provides access to a collection of scientific and technical databases, including the CAS databases, for comprehensive research and patent information.
CAS Registry
The world's most comprehensive collection of disclosed chemical substance information, including organic and inorganic compounds, metals, alloys, minerals, and more.
CAS Common Chemistry
Provides access to information on nearly 500,000 chemical substances of widespread general public interest, including common chemicals and regulated chemicals.
CAS Chemical Supplier Insights
Offers detailed information on chemical suppliers, including their product catalogs, to help researchers and procurement professionals make informed decisions.
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Additional information
CAS Content
CAS databases contain over 150 million organic and inorganic substances and 68 million protein and nucleic acid sequences, making it the most authoritative and comprehensive source of chemical information.
CAS Innovation
CAS is at the forefront of chemical information innovation, utilizing advanced technologies and methodologies to enhance the discovery and analysis of chemical data.
Global Reach
CAS serves a global community of researchers, scientists, and professionals, providing access to chemical information that supports innovation and discovery across various scientific disciplines.
Partnerships
CAS collaborates with academic institutions, government agencies, and industry leaders to advance the field of chemical information and support scientific research and development.
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