1397833-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397833-71-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,8,3 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1397833-71:
(9*1)+(8*3)+(7*9)+(6*7)+(5*8)+(4*3)+(3*3)+(2*7)+(1*1)=214
214 % 10 = 4
So 1397833-71-4 is a valid CAS Registry Number.
1397833-71-4Relevant articles and documents
N-(2-Aminobenzoyl)benzotriazole mediated and t-BuOK promoted synthesis of 2-substituted quinolone 3-carboxylates
K?kten, ?ule,?elik, Ilhami
, p. 6254 - 6256 (2015/10/20)
2-Substituted quinolone 3-carboxylates were obtained in moderate to good yields by the reaction of N-(2-aminobenzoyl)benzotriazoles with β-ketoesters in the presence of t-BuOK in THF.