200489-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200489-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,8 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 200489-04:
(8*2)+(7*0)+(6*0)+(5*4)+(4*8)+(3*9)+(2*0)+(1*4)=99
99 % 10 = 9
So 200489-04-9 is a valid CAS Registry Number.