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The chemical abstracts service (cas) has developed a registry of unique numeric identifiers, aka cas numbers or cas registry numbers, for more than 73 million organic and inorganic substances including compounds, metals, alloys, minerals, organometallics, elements, isotopes and biochemicals. Cas provides solutions and services that help empower scientific discoveries Learn how cas can facilitate your research and drive innovation. Cas (chemical abstracts service) is a division of the american chemical society It is a source of chemical information and is located in columbus, ohio, united states. Quickly confirm chemical names, cas registry numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an api connection.
