89569-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89569-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,6 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89569-51:
(7*8)+(6*9)+(5*5)+(4*6)+(3*9)+(2*5)+(1*1)=197
197 % 10 = 7
So 89569-51-7 is a valid CAS Registry Number.
89569-51-7Relevant articles and documents
Proprietes de la benzopyrannoquinoxalinone-12
Vinot, Nicole,Bellec, Christian,Maitte, Pierre
, p. 1645 - 1650 (2007/10/02)
Under basic conditions, benzopyranoquinoxalin-12-one leads to 3-(o-hydroxybenzoyl)-1H-quinoxalin-2-one.This ketone reacts with hydroxylamine and phenylhydrazine to give the expected derivatives or those of benzopyranoquinoxalin-12-one.