98197-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98197-66-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,9 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98197-66:
(7*9)+(6*8)+(5*1)+(4*9)+(3*7)+(2*6)+(1*6)=191
191 % 10 = 1
So 98197-66-1 is a valid CAS Registry Number.