83919-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83919-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,1 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83919-59:
(7*8)+(6*3)+(5*9)+(4*1)+(3*9)+(2*5)+(1*9)=169
169 % 10 = 9
So 83919-59-9 is a valid CAS Registry Number.
83919-59-9Relevant academic research and scientific papers
Synthesis of 4-arylbenzo[f]cyclopenta[c]quinolines
Kozlov,Popova
, p. 603 - 605 (2007/10/03)
The reaction of benzylidene-2-naphthylamine and its derivatives with cyclopentanone through intramolecylar heterocyclization in ~80% in one step yield afforded a number of previously unknown 4-arylbenzo[f]cyclopenta[c]quinolines.