1219601-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219601-39-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,6,0 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219601-39:
(9*1)+(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*1)+(2*3)+(1*9)=134
134 % 10 = 4
So 1219601-39-4 is a valid CAS Registry Number.
1219601-39-4Relevant articles and documents
One-step conversion of azine N -oxides to α-1,2,4-triazolo-, 1,2,3-triazolo, imidazolo-, and pyrazoloheteroarenes
Keith, John M.
, p. 2722 - 2725 (2010)
Pyridine, quinoline, isoquinoline, azaindole, and pyrimidine N-oxides were converted to their α-triazole and α-diazole derivatives by treatment with the corresponding p-toluenesulfonylazoles and Hunigs base at elevated temperatures.
