56228-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56228-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,2,2 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56228-56:
(7*5)+(6*6)+(5*2)+(4*2)+(3*8)+(2*5)+(1*6)=129
129 % 10 = 9
So 56228-56-9 is a valid CAS Registry Number.