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78497-67-3

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78497-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78497-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,9 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78497-67:
(7*7)+(6*8)+(5*4)+(4*9)+(3*7)+(2*6)+(1*7)=193
193 % 10 = 3
So 78497-67-3 is a valid CAS Registry Number.

78497-67-3Relevant articles and documents

Ammonolysis of Aryl Toluenesulphonate Esters: Evidence for the Concerted Displacement of the Aryl Oxide Group

Suttle, Nicola A.,Williams, Andrew

, p. 1563 - 1568 (2007/10/02)

Rate constants have been measured for the ammonolysis of aryl toluenesulphonate esters in aqueous solution.The Broensted-type β value of -1.08 coupled with the βeq for the overall reaction indicates a large increase in negative effective charge

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