139474-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139474-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,7 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139474-22:
(8*1)+(7*3)+(6*9)+(5*4)+(4*7)+(3*4)+(2*2)+(1*2)=149
149 % 10 = 9
So 139474-22-9 is a valid CAS Registry Number.
139474-22-9Relevant articles and documents
HAMMETT-TAFT CONSTANTS OF SUBSTITUTED 2- AND 4-QUINAZOLINYL GROUPS
Baram, S. G.,Shkurko, O. P.,Mamaev, V. P.
, p. 601 - 605 (2007/10/02)
From the chemical shifts of the meta- and para-carbon atoms of the phenyl group in phenylquinazolines the ?I and ?R0 constants of 2- and 4-quinazolinyl groups were determined.Correlation equations which enable us to calcul
