425680-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 425680-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 425680-97:
(8*4)+(7*2)+(6*5)+(5*6)+(4*8)+(3*0)+(2*9)+(1*7)=163
163 % 10 = 3
So 425680-97-3 is a valid CAS Registry Number.