80028-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80028-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,0,2 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80028-71:
(7*8)+(6*0)+(5*0)+(4*2)+(3*8)+(2*7)+(1*1)=103
103 % 10 = 3
So 80028-71-3 is a valid CAS Registry Number.