89337-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89337-62-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,3 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89337-62:
(7*8)+(6*9)+(5*3)+(4*3)+(3*7)+(2*6)+(1*2)=172
172 % 10 = 2
So 89337-62-2 is a valid CAS Registry Number.
89337-62-2Relevant 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
