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Tips for Chemical Name Searching

If the chemical
name contains
Then your
action is to
Example
Superscripts
Subscripts
Italic letters
Italic numbers
Enter as normal
characters
=> S DICHLOROMETHANE-D2/CN
Greek letters Spell out the name
of the Greek letter
and place a period
before and after the
name of the letter
=> S .ALPHA.-ACETYLNAPHTHALENE/CN
Primes Place quotation marks
around the entire name
=> S "N,N'-DIMETHYL-1,2-ETHANEDIAMINE"/CN
Parentheses Place quotation marks
around the entire name
=> S "2-(1-ACETOXYETHYL)FURAN"/CN
Brackets Replace brackets with
parentheses and place
quotation marks around
the entire name
=> S "BENZO(B)THIOPHENE"/CN
Reproduced with the permission of CAS, a Division of the American Chemical Society, from "Tips for Searching the CAplus & REGISTRY Files." (CAS9613-0298).