228403-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228403-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,4,0 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 228403-45:
(8*2)+(7*2)+(6*8)+(5*4)+(4*0)+(3*3)+(2*4)+(1*5)=120
120 % 10 = 0
So 228403-45-0 is a valid CAS Registry Number.