22944-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22944-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,4 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22944-90:
(7*2)+(6*2)+(5*9)+(4*4)+(3*4)+(2*9)+(1*0)=117
117 % 10 = 7
So 22944-90-7 is a valid CAS Registry Number.