1027913-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027913-81-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,9,1 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1027913-81:
(9*1)+(8*0)+(7*2)+(6*7)+(5*9)+(4*1)+(3*3)+(2*8)+(1*1)=140
140 % 10 = 0
So 1027913-81-0 is a valid CAS Registry Number.
1027913-81-0Relevant articles and documents
A synthetic entry to 3,5-disubstituted pyridines
Bennasar, M.-Llu?sa,Zulaica, Ester,Roca, Tomàs,Alonso, Yolanda,Monerris, Manuel
, p. 4711 - 4714 (2003)
A straightforward entry to 3,5-disubstituted pyridines from 3-substituted pyridines, based on the acylation of N-alkyl-1,4-dihydropyridine derivatives followed by a tandem N-dealkylation-oxidation sequence is reported.