89618-68-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89618-68-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,1 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89618-68:
(7*8)+(6*9)+(5*6)+(4*1)+(3*8)+(2*6)+(1*8)=188
188 % 10 = 8
So 89618-68-8 is a valid CAS Registry Number.