331944-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331944-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,9,4 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 331944-72:
(8*3)+(7*3)+(6*1)+(5*9)+(4*4)+(3*4)+(2*7)+(1*2)=140
140 % 10 = 0
So 331944-72-0 is a valid CAS Registry Number.