47709-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 47709-64-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,7,0 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 47709-64:
(7*4)+(6*7)+(5*7)+(4*0)+(3*9)+(2*6)+(1*4)=148
148 % 10 = 8
So 47709-64-8 is a valid CAS Registry Number.
47709-64-8Relevant articles and documents
A Novel Practical Reaction of Diarylalkynes With Sulfur Trioxide: Oxidation to 1,2-Diketones
Rogatchov, Victor O.,Filimonov, Victor D.,Yusubov, Mehman S.
, p. 1001 - 1003 (2007/10/03)
A new reaction of arylalkynes with the SO3-dioxane complex gives the corresponding aromatic 1,2-diketones in good yield.