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For example, something simple like alanine will have one CAS# for the D form, another for L, another for "unspecified" and a fourth one for racemic. There would be another four CAS#s for the hydrochloride, four for the (1:1) sulfate, four for the (2:1)sulfate, etc. It is very important that we match the correct form CAS# to our Chemboxes!
Visit the authority for CAS numbers and use either Scifinder or STN to search/validate the CAS number for the represented structure. There ARE multiple CAS numbers associated with a single compound so the CAS number itself might need to be annotated.
:) For the entries that had a CAS number, I searched for that CAS number using SciFinder and checked if it matched the structure in the PDF file. There was one case where the stereochemistry of the structure in the PDF was wrong, but the structure in the WP article was correct!
According to CAS, his visionary view of CAS' potential "led to expansion, modernization, and the forging of international alliances with other information organizations." [15] CAS was an early leader in the use of computer technology to organize and disseminate information. [16] The CAS Chemical Registry System was introduced in 1965.
If using the full Chembox, a supplementary page should be created as soon as time allows. This is most simply done by clicking on the red link in the table Supplementary data page , then type {{subst:Chembox supplement}}.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1250 ahead. Let's start with a few hints.
Many of these database companies use the same name for their file format as they do for their database (including Copac, CSA, ISI, Medline, Ovid, PubMed, and SciFinder). For the ability to retrieve citations from the particular databases (rather than the file format), please refer to the database connectivity table that is below this table.
Ex-NBA stars Carter, McGrady part of group seeking to buy ...