220-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220-00-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,2 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220-00:
(5*2)+(4*2)+(3*0)+(2*0)+(1*0)=18
18 % 10 = 8
So 220-00-8 is a valid CAS Registry Number.