CAS REGISTRY(SM), the Global Standard for Chemical Research, Approaches 50 Millionth Registration Milestone


    WASHINGTON, Aug. 16 /CNW/ -- CAS, a division of the American Chemical
Society, announced today that it is on track to register the 50 millionth
unique chemical substance in the CAS REGISTRY on September 7.  REGISTRY is the
most comprehensive and high-quality compendium of publicly disclosed chemical
information. This milestone came quickly, since it was only 9 months ago that
CAS registered its 40 millionth substance.  In contrast, it took 33 years for
CAS to register the 10 millionth compound in 1990.

    "The pace of discovery in molecular science is quickening," said Dr.
Mathew Toussant, Senior Vice President of Editorial Operations at CAS. "We are
finding that the predominant source of new chemical substances is global
patent literature."

    REGISTRY is the only integrated comprehensive source of chemical
information from a full range of patent and journal literature that is curated
and quality controlled by scientists working around the world. For more than
100 years, CAS scientists and colleagues in several nations have meticulously
analyzed and indexed publicly disclosed global scientific information to build
up the unique REGISTRY resource that provides not only chemical names, the
unique CAS Registry Number , and vital literature references but also
ancillary information such as experimental and predicted property data
(boiling and melting points, etc.), commercial availability, preparation
details, spectra, and regulatory information from international sources.

    CAS scientists follow rigorous criteria that maintain the famously high
quality and reliability of information in its REGISTRY. Scientists identify
reputable sources and use consistent analysis before registering a substance.

    "The growth of the CAS REGISTRY is all the more remarkable as CAS
rigorously maintains long-trusted standards for registration of substances,"
says Christine McCue, CAS Vice President of Marketing. McCue added, "This is
why the CAS REGISTRY is the database of record for chemical searching by
patent offices around the world as well as being what many call 'the gold
standard' for chemical research everywhere."

    The CAS REGISTRY is available to scientists through CAS' award-winning
product, SciFinder , and its STN  family of products. With these advanced
search and analysis technologies, CAS helps scientists find reliable
information that is vital to their research process.


For further information:

For further information: Crystal Poole Bradley of CAS, +1-614-447-3611,, Web Site:

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