219739-47-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219739-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,3 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219739-47:
(8*2)+(7*1)+(6*9)+(5*7)+(4*3)+(3*9)+(2*4)+(1*7)=166
166 % 10 = 6
So 219739-47-6 is a valid CAS Registry Number.
219739-47-6Relevant articles and documents
A facile route to quinazolin-4(3H)-ones functionalised at the 2-position
Bavetsias
, p. 4547 - 4559 (2007/10/03)
Treatment of 2-methoxyacetamidobenzonitriles or 2- chloroacetamidobenzonitrile with UHP and K2CO3 provides a convenient route to 2-methoxymethyl- or 2-chloromethylquinazolin-4(3H)-ones. In addition, demethylation of 2-methoxymethylqu