65944-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65944-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,4 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 65944-22:
(7*6)+(6*5)+(5*9)+(4*4)+(3*4)+(2*2)+(1*2)=151
151 % 10 = 1
So 65944-22-1 is a valid CAS Registry Number.