657367-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 657367-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,7,3,6 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 657367-83:
(8*6)+(7*5)+(6*7)+(5*3)+(4*6)+(3*7)+(2*8)+(1*3)=204
204 % 10 = 4
So 657367-83-4 is a valid CAS Registry Number.
657367-83-4Relevant articles and documents
Synthesis of 6,8-substituted 4-(hydroxyphenylamino)- and 4-(aminophenylamino)-2-methylquinolines
Avetisyan,Aleksanyan,Ambartsumyan
, p. 1048 - 1051 (2007)
A procedure has been developed for the synthesis of 4-(hydroxyphenylamino)- and 4-(aminophenylamino)-2-methylquinolines having a substituent in the 6(8)-position of the quinoline ring from the corresponding 4-chloro-2- methylquinolines and o-, m-, and p-a
