503544-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503544-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,4 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 503544-17:
(8*5)+(7*0)+(6*3)+(5*5)+(4*4)+(3*4)+(2*1)+(1*7)=120
120 % 10 = 0
So 503544-17-0 is a valid CAS Registry Number.