69289-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69289-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,2,8 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69289-68:
(7*6)+(6*9)+(5*2)+(4*8)+(3*9)+(2*6)+(1*8)=185
185 % 10 = 5
So 69289-68-5 is a valid CAS Registry Number.