80840-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80840-74-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,4 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80840-74:
(7*8)+(6*0)+(5*8)+(4*4)+(3*0)+(2*7)+(1*4)=130
130 % 10 = 0
So 80840-74-0 is a valid CAS Registry Number.