4237-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4237-57-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,3 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4237-57:
(6*4)+(5*2)+(4*3)+(3*7)+(2*5)+(1*7)=84
84 % 10 = 4
So 4237-57-4 is a valid CAS Registry Number.
4237-57-4Relevant academic research and scientific papers
Synthesis of unsymmetrical β-arylaminoketones
Kozlov,Basalaeva
, p. 926 - 932 (2007/10/03)
Azomethines derived from aniline were condensed with acetophenone derivatives to obtain new unsymmetrical β-arylaminoketones.
