80728-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80728-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80728-91:
(7*8)+(6*0)+(5*7)+(4*2)+(3*8)+(2*9)+(1*1)=142
142 % 10 = 2
So 80728-91-2 is a valid CAS Registry Number.