1381944-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1381944-19-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,9,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1381944-19:
(9*1)+(8*3)+(7*8)+(6*1)+(5*9)+(4*4)+(3*4)+(2*1)+(1*9)=179
179 % 10 = 9
So 1381944-19-9 is a valid CAS Registry Number.