Difference between revisions of "Chemical Abstracts Service Number"
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| − | + | A '''Chemical Abstracts Service number''' (CAS number) is a number which is used to identify each unique chemical compound, polymer, biological sequence, mixture and alloy. | |
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| + | The [[Chemical Abstracts Service]], a division of the [[American Chemical Society]], assigns unique identifiers to every different chemical. Most molecule databases today permit searching for a compound by entering its CAS number. There are over 30 million CAS numbers as of May 2007. | ||
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| + | [[Category:Chemistry]] | ||
Latest revision as of 18:03, September 17, 2007
A Chemical Abstracts Service number (CAS number) is a number which is used to identify each unique chemical compound, polymer, biological sequence, mixture and alloy.
The Chemical Abstracts Service, a division of the American Chemical Society, assigns unique identifiers to every different chemical. Most molecule databases today permit searching for a compound by entering its CAS number. There are over 30 million CAS numbers as of May 2007.