83609-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83609-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,0 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83609-72:
(7*8)+(6*3)+(5*6)+(4*0)+(3*9)+(2*7)+(1*2)=147
147 % 10 = 7
So 83609-72-7 is a valid CAS Registry Number.
83609-72-7Relevant articles and documents
A Convenient Synthesis of 11H-Indoloquinolones
Stadlbauer, Wolfgang,Karem, Abdul-Salam,Kappe, Thomas
, p. 81 - 90 (2007/10/02)
11H-Indoloquinolin-6-ones, which are containing the γ-carboline ring system, can be easily synthesized from 4-azido-3-phenyl-2(1H)-quinolones, which are obtained in a two step reaction from 4-hydroxy-3-phenyl-2(1H)-quinolones.Cyclization of the azi