FAQs and Quick Reference Guides
Searching
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Can I use Greek letters in a search?
Yes. When entering your search query, the following Greek letters and their equivalents will match and return results. Notes Entering ...
Drawing Tools
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How do I perform a SciFinder structure search within ChemDraw?
You may search starting with ChemDraw version 18.2, but you must be an authenticated and authorized user of CAS SciFinder in order for ...
Proxy Connection
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Why does Search History fail to record when I connect from off campus?
When some users have been on campus making a direct connection on the campus network without use of EZproxy, search history was recorde...
Reactions
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When do multi-step or product-only reactions appear in my results?
Searching reactions by structure retrieves single document, multistep and product-only reactions when all structure fragments have eit...
Substances
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What are similarity scores?
A similarity search for substances results in a set of candidates that are most similar to your query structure, grouped by similarity ...
References
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What are the available CA Section titles?
CA data is categorized into one of the below sections: Pharmacology Mammalian Hormones Biochemical Genetics Toxicology Agrochemical Bi...
Quick Reference Guides
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SciFinder Quick Reference Guides for Commercial and Academic Users
SciFinder Quick Reference Guide - Commercial Users SciFinder Quick Reference Guide - Academic Users