680185-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680185-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,1,8 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 680185-82:
(8*6)+(7*8)+(6*0)+(5*1)+(4*8)+(3*5)+(2*8)+(1*2)=174
174 % 10 = 4
So 680185-82-4 is a valid CAS Registry Number.