68161-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68161-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,6 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68161-66:
(7*6)+(6*8)+(5*1)+(4*6)+(3*1)+(2*6)+(1*6)=140
140 % 10 = 0
So 68161-66-0 is a valid CAS Registry Number.