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Ammonia as Nitrogen. ALS Environmental may or may not test for Ammonia as Nitrogen (CAS # 7664-41-7). Information is subject to change; please contact us for the latest available analytes for which we test.
Yes, Chemical Abstracts Service (CAS) Numbers are the most definitive identifiers, as each is unique and there are now over 114 million entries in the registry. Prior to adoption of HCS 2012 neither CAS numbers nor other unique identifiers were required content on SDS's.