489453-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489453-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,5 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 489453-43:
(8*4)+(7*8)+(6*9)+(5*4)+(4*5)+(3*3)+(2*4)+(1*3)=202
202 % 10 = 2
So 489453-43-2 is a valid CAS Registry Number.