57840-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57840-62-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,4 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57840-62:
(7*5)+(6*7)+(5*8)+(4*4)+(3*0)+(2*6)+(1*2)=147
147 % 10 = 7
So 57840-62-7 is a valid CAS Registry Number.
57840-62-7Relevant articles and documents
Aryl substituted diketones
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, (2008/06/13)
Aryl substituted diketones and keto-esters, useful as antiviral agents and insecticides, are prepared by reacting an arylalkyl or arylalkenyl iodide with a metal salt of the appropriate diketone or keto-ester.