98489-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98489-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,8 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98489-17:
(7*9)+(6*8)+(5*4)+(4*8)+(3*9)+(2*1)+(1*7)=199
199 % 10 = 9
So 98489-17-9 is a valid CAS Registry Number.