28028-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28028-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,2 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28028-75:
(7*2)+(6*8)+(5*0)+(4*2)+(3*8)+(2*7)+(1*5)=113
113 % 10 = 3
So 28028-75-3 is a valid CAS Registry Number.