1220748-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220748-81-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,7,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1220748-81:
(9*1)+(8*2)+(7*2)+(6*0)+(5*7)+(4*4)+(3*8)+(2*8)+(1*1)=131
131 % 10 = 1
So 1220748-81-1 is a valid CAS Registry Number.
1220748-81-1Relevant articles and documents
Reactions of 3-cyano-2-(methylthio)pyridines with butyllithium
Zav'Yalova,Zubarev,Shestopalov
, p. 2349 - 2352 (2008)
Reactions of substituted 3-cyano-2-(methylthio)pyridines with butyllithium were studied. The reactions afforded 3-pentanoylpyridines, 2,3-dihydrothieno[2, 3-b]pyridine, or 1-amino-2,7-naphthyridine, depending on the starting substrate and the reaction con
