144944-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144944-94-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,4 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144944-94:
(8*1)+(7*4)+(6*4)+(5*9)+(4*4)+(3*4)+(2*9)+(1*4)=155
155 % 10 = 5
So 144944-94-5 is a valid CAS Registry Number.