119197-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119197-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,1,9 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 119197-08:
(8*1)+(7*1)+(6*9)+(5*1)+(4*9)+(3*7)+(2*0)+(1*8)=139
139 % 10 = 9
So 119197-08-9 is a valid CAS Registry Number.
119197-08-9Relevant articles and documents
Trimethylsilylesters of Fluorobenzenesulfonic acids
Johannsen, Heiner,Sartori, Peter
, p. 674 - 679 (2007/10/02)
Fluorobenzenesulfonic acids were prepared by electrophilic sulfonation of fluorobenzenes 1.The acids are obtained as hydrates and converted to their trimethylsilyl esters 2 for characterization.