69209-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69209-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,2,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69209-40:
(7*6)+(6*9)+(5*2)+(4*0)+(3*9)+(2*4)+(1*0)=141
141 % 10 = 1
So 69209-40-1 is a valid CAS Registry Number.
69209-40-1Relevant articles and documents
Sulfone-mediated synthesis of polysubstituted pyridines
Craig, Donald,Henry, Gavin D.
, p. 2559 - 2562 (2007/10/03)
Base-mediated and/or palladium(0)-catalysed bis(allylation) of alkyl 2-(tolylsulfonyl)acetates gives 1,6-dienes, which upon ozonolytic cleavage of the double bonds and ammonolysis give 2,6-disubstituted pyridine-4-carboxylic esters. Decarboxylation of one
