66209-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66209-00-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,0 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66209-00:
(7*6)+(6*6)+(5*2)+(4*0)+(3*9)+(2*0)+(1*0)=115
115 % 10 = 5
So 66209-00-5 is a valid CAS Registry Number.