781664-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 781664-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,1,6,6 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 781664-09:
(8*7)+(7*8)+(6*1)+(5*6)+(4*6)+(3*4)+(2*0)+(1*9)=193
193 % 10 = 3
So 781664-09-3 is a valid CAS Registry Number.
781664-09-3Relevant articles and documents
A stable distannirane
Baiget, Lise,Ranaivonjatovo, Henri,Escudie, Jean,Gornitzka, Heinz
, p. 11792 - 11793 (2004)
The first three-membered ring compound containing two tin and one carbon atoms, 1,1,2,2-tetra(2,4,6-triisopropylphenyl)-3-fluorenylidene-1,2-distannirane, has been synthesized in a two-step procedure from the 9-[bis(2,4,6-triisopropylphenyl)fluorostannyl]chloromethylenefluorene. Copyright
