680206-60-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680206-60-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,2,0 and 6 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 680206-60:
(8*6)+(7*8)+(6*0)+(5*2)+(4*0)+(3*6)+(2*6)+(1*0)=144
144 % 10 = 4
So 680206-60-4 is a valid CAS Registry Number.