109747-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109747-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,4 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109747-07:
(8*1)+(7*0)+(6*9)+(5*7)+(4*4)+(3*7)+(2*0)+(1*7)=141
141 % 10 = 1
So 109747-07-1 is a valid CAS Registry Number.
109747-07-1Relevant articles and documents
A New Type of Reaction between o-Phenylenediamines and Aromatic Aldehydes to Give 2,3-Diarylquinoxalines
Ochoa, Carmen,Rodriguez, Juan
, p. 1053 - 1055 (1997)
A new type of reaction between o-phenylenediamines and aryl aldehydes at high temperature is reported. The synthesis of 2,3-diarylquinoxalines by this procedure is described.