194944-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194944-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,9,4 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 194944-56:
(8*1)+(7*9)+(6*4)+(5*9)+(4*4)+(3*4)+(2*5)+(1*6)=184
184 % 10 = 4
So 194944-56-4 is a valid CAS Registry Number.