489436-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489436-09-1 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 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 489436-09:
(8*4)+(7*8)+(6*9)+(5*4)+(4*3)+(3*6)+(2*0)+(1*9)=201
201 % 10 = 1
So 489436-09-1 is a valid CAS Registry Number.