STM publisher Elsevier, Netherlands, and chemical database provider Chemical Abstracts Service (CAS), a division of the American Chemical Society, recently reached an agreement to increase cooperation in information exchange to improve their respective operations and service offerings. Under the agreement, Elsevier will provide enhanced electronic versions of its journal articles to CAS. CAS in turn will help the global publisher identify additional CAS Registry Numbers in certain of its databases.
The CAS Registry Number identification aspect of the agreement is being carried out periodically through an automated, first level, 'machine comparison'. The method is neither comprehensive nor detailed relative to many chemical structure conventions. Therefore, the resulting addition of Registry numbers does not represent a complete comparison of Elsevier resources with the CAS Registry, the most comprehensive substance collection.
However, it is anticipated that these added CAS Registry Numbers will be useful and helpful for search and identification of more Elsevier database substances. From time to time more CAS Registry Numbers will be added.