23020-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23020-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,2 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23020-04:
(7*2)+(6*3)+(5*0)+(4*2)+(3*0)+(2*0)+(1*4)=44
44 % 10 = 4
So 23020-04-4 is a valid CAS Registry Number.
23020-04-4Relevant academic research and scientific papers
The triflic acid-mediated cyclisation of N-benzyl-cinnamamides
King, Frank D.,Caddick, Stephen
, p. 487 - 491 (2013/07/27)
N-Benzyl-cinnamamides cyclise with triflic acid to form 5-aryl-benzazepinones and/or cinnamamides.
