128349-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128349-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,4 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128349-03:
(8*1)+(7*2)+(6*8)+(5*3)+(4*4)+(3*9)+(2*0)+(1*3)=131
131 % 10 = 1
So 128349-03-1 is a valid CAS Registry Number.