89149-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89149-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,4 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89149-49:
(7*8)+(6*9)+(5*1)+(4*4)+(3*9)+(2*4)+(1*9)=175
175 % 10 = 5
So 89149-49-5 is a valid CAS Registry Number.
89149-49-5Relevant academic research and scientific papers
Imamoto, Tsuneo,Kusumoto, Tetsuo,Yokoyama, Masataka
, p. 5233 - 5236 (1983)
Cerium enolates formed from cerium (III) chloride and lithium enolates undergo aldol reaction with ketones or sterically crowded aldehydes to afford the corresponding β-hydroxyketones in high yields.