143702-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143702-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,0 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143702-66:
(8*1)+(7*4)+(6*3)+(5*7)+(4*0)+(3*2)+(2*6)+(1*6)=113
113 % 10 = 3
So 143702-66-3 is a valid CAS Registry Number.
143702-66-3Relevant articles and documents
Synthesis of Pyridoimidazoquinoxalines
Tanaka, Kiyoshi,Takahashi, Hideki,Takimoto, Kozo,Sugita, Masahiko,Mitsuhashi, Keiryo
, p. 771 - 777 (2007/10/02)
Synthesis of pyridoimidazoquinoxalines by the facile cyclizations of 2,3-dichloroquinoxalines with 2-aminopyridines and of 2-amino-3-chloroquinoxalines with various substituted pyridines is described.
