98682-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98682-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,8 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98682-20:
(7*9)+(6*8)+(5*6)+(4*8)+(3*2)+(2*2)+(1*0)=183
183 % 10 = 3
So 98682-20-3 is a valid CAS Registry Number.