28442-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28442-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,4 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28442-22:
(7*2)+(6*8)+(5*4)+(4*4)+(3*2)+(2*2)+(1*2)=110
110 % 10 = 0
So 28442-22-0 is a valid CAS Registry Number.