489-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489-75-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 489-75:
(5*4)+(4*8)+(3*9)+(2*7)+(1*5)=98
98 % 10 = 8
So 489-75-8 is a valid CAS Registry Number.