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689247-71-0

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689247-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 689247-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,4 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 689247-71:
(8*6)+(7*8)+(6*9)+(5*2)+(4*4)+(3*7)+(2*7)+(1*1)=220
220 % 10 = 0
So 689247-71-0 is a valid CAS Registry Number.

689247-71-0Relevant articles and documents

A highly efficient microwave-assisted Suzuki coupling reaction of aryl perfluorooctylsulfonates with boronic acids

Zhang, Wei,Chen, Christine Hiu-Tung,Lu, Yimin,Nagashima, Tadamichi

, p. 1473 - 1476 (2004)

A new strategy to improve the efficiency of Suzuki coupling reactions is introduced by combining fast microwave reaction with easy fluorous separation. Aryl perfluorooctylsulfonates derived from the corresponding phenols are coupled with aryl boronic acid

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