66685-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66685-08-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,8 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66685-08:
(7*6)+(6*6)+(5*6)+(4*8)+(3*5)+(2*0)+(1*8)=163
163 % 10 = 3
So 66685-08-3 is a valid CAS Registry Number.