489397-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489397-38-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,3,9 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 489397-38:
(8*4)+(7*8)+(6*9)+(5*3)+(4*9)+(3*7)+(2*3)+(1*8)=228
228 % 10 = 8
So 489397-38-8 is a valid CAS Registry Number.