40122-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40122-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,2 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40122-40:
(7*4)+(6*0)+(5*1)+(4*2)+(3*2)+(2*4)+(1*0)=55
55 % 10 = 5
So 40122-40-5 is a valid CAS Registry Number.
40122-40-5Relevant academic research and scientific papers
Pons, Jean-Marc,Santelli, Maurice
, p. 4937 - 4940 (1982)
Cross-coupling of fluorenone and enones with TiCl4-Mg led to γ-ketol derivatives resulting of a conjugate addition of the fluorenone dianion to enones.