439242-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439242-03-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,2,4 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 439242-03:
(8*4)+(7*3)+(6*9)+(5*2)+(4*4)+(3*2)+(2*0)+(1*3)=142
142 % 10 = 2
So 439242-03-2 is a valid CAS Registry Number.