721944-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 721944-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,1,9,4 and 4 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 721944-06:
(8*7)+(7*2)+(6*1)+(5*9)+(4*4)+(3*4)+(2*0)+(1*6)=155
155 % 10 = 5
So 721944-06-5 is a valid CAS Registry Number.