77669-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77669-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,6 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77669-73:
(7*7)+(6*7)+(5*6)+(4*6)+(3*9)+(2*7)+(1*3)=189
189 % 10 = 9
So 77669-73-9 is a valid CAS Registry Number.
77669-73-9Relevant academic research and scientific papers
THE REGIOSPECIFIC ACYLATION OF FULVENES
Alper, Howard,Laycock, David E.
, p. 33 - 34 (2007/10/02)
1-Acylated fulvenes were the only monoketones formed by treatment of fulvenes with methyl iodide, carbon monoxide, catalytic quantities of benzyltriethylammonium chloride and dicobalt octacarbonyl, in a two-phase system .