728944-49-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 728944-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,9,4 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 728944-49:
(8*7)+(7*2)+(6*8)+(5*9)+(4*4)+(3*4)+(2*4)+(1*9)=208
208 % 10 = 8
So 728944-49-8 is a valid CAS Registry Number.