111251-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111251-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111251-91:
(8*1)+(7*1)+(6*1)+(5*2)+(4*5)+(3*1)+(2*9)+(1*1)=73
73 % 10 = 3
So 111251-91-3 is a valid CAS Registry Number.
111251-91-3Relevant academic research and scientific papers
Trifluorohydroxyaromatic acid and preparation thereof
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, (2008/06/13)
There are disclosed 2,4,5-Trifluoro-3-hydroxybenzoic acid represented by the following formula (I): STR1 and a salt thereof and a process for preparing the same. Further, there is disclosed a process for preparing 3,5,6-trifluoro-4-hydroxyphthalic acid, which is employed for preparing the above compound.
