503559-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503559-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,5 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 503559-28:
(8*5)+(7*0)+(6*3)+(5*5)+(4*5)+(3*9)+(2*2)+(1*8)=142
142 % 10 = 2
So 503559-28-2 is a valid CAS Registry Number.