40719-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40719-44-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,1 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40719-44:
(7*4)+(6*0)+(5*7)+(4*1)+(3*9)+(2*4)+(1*4)=106
106 % 10 = 6
So 40719-44-6 is a valid CAS Registry Number.