55289-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55289-28-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55289-28:
(7*5)+(6*5)+(5*2)+(4*8)+(3*9)+(2*2)+(1*8)=146
146 % 10 = 6
So 55289-28-6 is a valid CAS Registry Number.