685568-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685568-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,6 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 685568-56:
(8*6)+(7*8)+(6*5)+(5*5)+(4*6)+(3*8)+(2*5)+(1*6)=223
223 % 10 = 3
So 685568-56-3 is a valid CAS Registry Number.