489440-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489440-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,4 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 489440-25:
(8*4)+(7*8)+(6*9)+(5*4)+(4*4)+(3*0)+(2*2)+(1*5)=187
187 % 10 = 7
So 489440-25-7 is a valid CAS Registry Number.