80081-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80081-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,0,8 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80081-74:
(7*8)+(6*0)+(5*0)+(4*8)+(3*1)+(2*7)+(1*4)=109
109 % 10 = 9
So 80081-74-9 is a valid CAS Registry Number.