9019-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 9019-71-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,1 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 9019-71:
(6*9)+(5*0)+(4*1)+(3*9)+(2*7)+(1*1)=100
100 % 10 = 0
So 9019-71-0 is a valid CAS Registry Number.