487944-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 487944-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,7,9,4 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 487944-81:
(8*4)+(7*8)+(6*7)+(5*9)+(4*4)+(3*4)+(2*8)+(1*1)=220
220 % 10 = 0
So 487944-81-0 is a valid CAS Registry Number.