489434-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489434-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,3 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 489434-79:
(8*4)+(7*8)+(6*9)+(5*4)+(4*3)+(3*4)+(2*7)+(1*9)=209
209 % 10 = 9
So 489434-79-9 is a valid CAS Registry Number.