754944-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 754944-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,4,9,4 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 754944-81:
(8*7)+(7*5)+(6*4)+(5*9)+(4*4)+(3*4)+(2*8)+(1*1)=205
205 % 10 = 5
So 754944-81-5 is a valid CAS Registry Number.