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Chemical Abstracts Service (CAS) objects to anyone encouraging the use of SciFinder® and STN® to curate third-party databases or chemical substance collections, including the one found in Wikipedia. SciFinder and STN are provided to researchers under formal license agreements, under which the researchers agree to refrain from using these ...
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.
The CAS No. (that is, "CAS Registry Number" [1]) in a Chembox will receive a green tick (check mark) once {} is added. This does not happen yet in the Drugbox (there is no change at present), but we hope to enable a similar system there too, if WP:PHARM is in agreement.
Reaxys is a web-based tool for the retrieval of information about chemical compounds and data from published literature, including journals and patents. The information includes chemical compounds, chemical reactions, chemical properties, related bibliographic data, substance data with synthesis planning information, as well as experimental procedures from selected journals and patents.
The WikiProject: Molecular and Cellular Biology supports the use of PyMOL, an open-source molecular visualization program, for the creation of images of biomolecules such as proteins, DNA, and related complexes. This page provides introduces the software and demonstrates how to create high-quality images of proteins.
The following tables provide a comparison of computer algebra systems (CAS). [1] [2] [3] A CAS is a package comprising a set of algorithms for performing symbolic manipulations on algebraic objects, a language to implement them, and an environment in which to use the language.
Based on that old value, they compute some new value. Then they try to swap in the new value using CAS, where the comparison checks for the location still being equal to the old value. If CAS indicates that the attempt has failed, it has to be repeated from the beginning: the location is re-read, a new value is re-computed and the CAS is tried ...
The movement to web-based applications in the early 2000s saw the release of WolframAlpha, an online search engine and CAS which includes the capabilities of Mathematica. [5] More recently, computer algebra systems have been implemented using artificial neural networks, though as of 2020 they are not commercially available. [6]
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