68259-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68259-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,5 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68259-89:
(7*6)+(6*8)+(5*2)+(4*5)+(3*9)+(2*8)+(1*9)=172
172 % 10 = 2
So 68259-89-2 is a valid CAS Registry Number.