57421-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57421-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,2 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57421-09:
(7*5)+(6*7)+(5*4)+(4*2)+(3*1)+(2*0)+(1*9)=117
117 % 10 = 7
So 57421-09-7 is a valid CAS Registry Number.
57421-09-7Relevant academic research and scientific papers
Ring-substituted N-(2,2-difluoroalkanoyl)-o-phenylenediamine insecticides
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, (2008/06/13)
Ring-substituted N-(2,2-difluoroalkanoyl)-o-phenylenediamine compounds useful as herbicides and as insecticides; and combinations of these compounds with known herbicides.
