66685-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66685-13-0 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, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66685-13:
(7*6)+(6*6)+(5*6)+(4*8)+(3*5)+(2*1)+(1*3)=160
160 % 10 = 0
So 66685-13-0 is a valid CAS Registry Number.