197243-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197243-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197243-41:
(8*1)+(7*9)+(6*7)+(5*2)+(4*4)+(3*3)+(2*4)+(1*1)=157
157 % 10 = 7
So 197243-41-7 is a valid CAS Registry Number.
197243-41-7Relevant articles and documents
Iodination of Thallium(I) salts of Phenols
Gambie, Richard C.,Larsen, David S.,Rutledge, Peter S.,Woodgate, Paul D.
, p. 767 - 769 (2007/10/03)
The iodination of thallium(I) salts of phenols is examined and the results are compared with those of the selective ortho-iodinating reagent thallium(I) acetate-iodine.
