71945-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71945-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,4 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71945-19:
(7*7)+(6*1)+(5*9)+(4*4)+(3*5)+(2*1)+(1*9)=142
142 % 10 = 2
So 71945-19-2 is a valid CAS Registry Number.