313944-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313944-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,9,4 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 313944-83:
(8*3)+(7*1)+(6*3)+(5*9)+(4*4)+(3*4)+(2*8)+(1*3)=141
141 % 10 = 1
So 313944-83-1 is a valid CAS Registry Number.