105590-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105590-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,9 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105590-57:
(8*1)+(7*0)+(6*5)+(5*5)+(4*9)+(3*0)+(2*5)+(1*7)=116
116 % 10 = 6
So 105590-57-6 is a valid CAS Registry Number.
105590-57-6Relevant articles and documents
THE TANDEM MICHAEL-ALDOL REACTION CATALYZED BY TRITYL PERCHLORATE
Mukaiyama, Teruaki,Kobayashi, Shu
, p. 205 - 211 (2007/10/02)
In the presence of a catalytic amount of trityl perchlorate, the tandem reaction of conjugate addition of silyl enol ethers to α,β-unsaturated ketones, and the sequential aldol reaction with aldehydes is carried out smoothly to afford γ-acyl-substituted δ
