98173-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98173-82-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,7 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98173-82:
(7*9)+(6*8)+(5*1)+(4*7)+(3*3)+(2*8)+(1*2)=171
171 % 10 = 1
So 98173-82-1 is a valid CAS Registry Number.