1454309-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1454309-20-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,4,3,0 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1454309-20:
(9*1)+(8*4)+(7*5)+(6*4)+(5*3)+(4*0)+(3*9)+(2*2)+(1*0)=146
146 % 10 = 6
So 1454309-20-6 is a valid CAS Registry Number.
1454309-20-6Relevant articles and documents
The application of vinamidinium salts to the synthesis of 2-amino-5-aryl or formylpyridine-3-carbonitriles
Jemmezi, Faycel,Chtiba, Samar,Khiari, Jameleddine
, p. 206 - 208 (2013)
The symmetrical vinamidinium salts were allowed to react with malononitrile in refluxing ethanol in the presence of ammonium acetate for 12 h to afford the 2-amino-5-aryl or formylpyridine-3-carbonitriles.