Chemical Abstracts Service
Chemical Abstracts Service
Chemical Abstracts Service (CAS; /ˈkɛmɪkəl əbˈstrækts ˈsɜːrvɪs/) is a division of the American Chemical Society. It is a source of chemical information and is best known for its chemical substance databases, which are used in the fields of chemistry, pharmacology, and other related disciplines.
Etymology
The term "Chemical Abstracts Service" is derived from the service's function of providing abstracts of chemical research. The word "chemical" (/ˈkɛmɪkəl/) comes from the Latin chemia, meaning the art of transmuting metals, and the word "abstract" (/əbˈstrakt/) comes from the Latin abstractus, meaning drawn away. The word "service" (/ˈsɜːrvɪs/) comes from the Old English sērvice, meaning religious devotion or a form of liturgy.
Function
The Chemical Abstracts Service provides information about millions of chemical substances, including their properties, uses, and preparation methods. It also provides access to the world's largest collection of organic and inorganic substance information. The CAS Registry, a component of the service, contains over 100 million unique chemical substances.
Related Terms
- Chemical substance: A form of matter that has constant chemical composition and characteristic properties.
- Chemistry: The branch of science that deals with the identification of the substances of which matter is composed.
- Pharmacology: The branch of medicine concerned with the uses, effects, and modes of action of drugs.
- American Chemical Society: A scientific society based in the United States that supports scientific research and education in the field of chemistry.
External links
- Medical encyclopedia article on Chemical Abstracts Service
- Wikipedia's article - Chemical Abstracts Service
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