109764-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109764-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,6 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109764-64:
(8*1)+(7*0)+(6*9)+(5*7)+(4*6)+(3*4)+(2*6)+(1*4)=149
149 % 10 = 9
So 109764-64-9 is a valid CAS Registry Number.
109764-64-9Relevant articles and documents
New Paracyclophane-1,9-dienes from 1,9(10)-Dibromoparacyclophane-1,9-diene
Stoebbe, Michael,Reiser, Oliver,Naeder, Reinhard,Meijere, Armin de
, p. 1667 - 1674 (2007/10/02)
The mixture of 1,1,9,9- and 1,1,10,10-tetrabromoparacyclophane (4), obtained by photobromination of paracyclophane (1) upon treatment with potassium tert-butoxide in tert-butyl methyl ether, gave the 1,9(10)-dibromoparacyclophane-1,9-dienes
