109970-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109970-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,7 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109970-97:
(8*1)+(7*0)+(6*9)+(5*9)+(4*7)+(3*0)+(2*9)+(1*7)=160
160 % 10 = 0
So 109970-97-0 is a valid CAS Registry Number.
109970-97-0Relevant articles and documents
REACTION OF SELENONIUM KETO YLIDE WITH DIBENZYLIDENE DERIVATIVES OF KETONES
Magdesieva, N. N.,Sergeeva, T. A.,Averina, N. V.
, p. 1894 - 1899 (2007/10/02)
The reaction of selenium monoketo ylides with the dibenzylidene derivatives of ketones (acetone, cyclopentanone, cyclohexanone) only takes place at one double bond of the dienone by a mechanism of the -cycloaddition type with the formation of two iso