503004-50-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503004-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,0,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 503004-50:
(8*5)+(7*0)+(6*3)+(5*0)+(4*0)+(3*4)+(2*5)+(1*0)=80
80 % 10 = 0
So 503004-50-0 is a valid CAS Registry Number.