548489-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 548489-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,8,4,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 548489-81:
(8*5)+(7*4)+(6*8)+(5*4)+(4*8)+(3*9)+(2*8)+(1*1)=212
212 % 10 = 2
So 548489-81-2 is a valid CAS Registry Number.