128461-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128461-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,6 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128461-73:
(8*1)+(7*2)+(6*8)+(5*4)+(4*6)+(3*1)+(2*7)+(1*3)=134
134 % 10 = 4
So 128461-73-4 is a valid CAS Registry Number.