439944-50-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439944-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,9,4 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 439944-50:
(8*4)+(7*3)+(6*9)+(5*9)+(4*4)+(3*4)+(2*5)+(1*0)=190
190 % 10 = 0
So 439944-50-0 is a valid CAS Registry Number.