83260-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83260-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,6 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83260-57:
(7*8)+(6*3)+(5*2)+(4*6)+(3*0)+(2*5)+(1*7)=125
125 % 10 = 5
So 83260-57-5 is a valid CAS Registry Number.
83260-57-5Relevant articles and documents
2-Methylpyridinium Salts as 1,4-Dinucleophiles. Quinolizinium Salts from the Westphal Condensation
Alvarez-Builla, J.,Trigo, G. Gonzales,Ezquerra, J.,Fombella, M.E.
, p. 681 - 685 (2007/10/02)
Condensation of 2-methylpyridinium salts with 1,2-dicarbonyls in the presence of base, yielded 2,3-disubstituted quinolizinium compounds.Results obtained with different pyridinium substrates are discussed.
