74211-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74211-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,1 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74211-55:
(7*7)+(6*4)+(5*2)+(4*1)+(3*1)+(2*5)+(1*5)=105
105 % 10 = 5
So 74211-55-5 is a valid CAS Registry Number.
74211-55-5Relevant academic research and scientific papers
Synthesis and Reaction Behaviour of 2-Aryl-3-chloro-maleimides
Augustin, M.,Faust, J.,Koehler, M.
, p. 293 - 300 (2007/10/02)
2-Aryl-3-chloro-maleimides 2 are prepared by the chlorination of aryl-maleicanhydrides and aminolysis of the resulting 1-aryl-2-chloro-maleicanhydrides 1.The imide 2a is reacted with N-, S-, O- and C-nucleophiles and inorganic salts to give 2,3-disubstitu
