4489-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4489-03-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,8 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4489-03:
(6*4)+(5*4)+(4*8)+(3*9)+(2*0)+(1*3)=106
106 % 10 = 6
So 4489-03-6 is a valid CAS Registry Number.