28224-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28224-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,2 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28224-43:
(7*2)+(6*8)+(5*2)+(4*2)+(3*4)+(2*4)+(1*3)=103
103 % 10 = 3
So 28224-43-3 is a valid CAS Registry Number.