3944-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3944-19-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3944-19:
(6*3)+(5*9)+(4*4)+(3*4)+(2*1)+(1*9)=102
102 % 10 = 2
So 3944-19-2 is a valid CAS Registry Number.