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Environmental Chemistry (Flokstra) - CHEM 3159

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Anne Marie Gruber
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CAS Numbers

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The American Chemical Society's Chemical Abstract Service (CAS) has assigned a unique number to more than 133 million chemical substances. Searching in other databases using the CAS number in quotation marks (ex. "50-81-7" for ascorbic acid) ensures you are getting information about the correct substance, regardless of name, language, or synonyms.