503555-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503555-29-1 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 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 503555-29:
(8*5)+(7*0)+(6*3)+(5*5)+(4*5)+(3*5)+(2*2)+(1*9)=131
131 % 10 = 1
So 503555-29-1 is a valid CAS Registry Number.