133117-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133117-00-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,1 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133117-00:
(8*1)+(7*3)+(6*3)+(5*1)+(4*1)+(3*7)+(2*0)+(1*0)=77
77 % 10 = 7
So 133117-00-7 is a valid CAS Registry Number.
133117-00-7Relevant articles and documents
Process for the preparation of fluorinated benzoic acids
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, (2008/06/13)
In the process for the preparation of fluorinated benzoic acids of the formula I STR1 in which X and Y, for example, independently of one another denote chlorine or fluorine and X moreover denotes bromine, a fluorinated chloroacetophenone of the formula II STR2 in which Z denotes chlorine or hydrogen, is reacted with a hypohalite.