503156-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503156-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,1,5 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 503156-26:
(8*5)+(7*0)+(6*3)+(5*1)+(4*5)+(3*6)+(2*2)+(1*6)=111
111 % 10 = 1
So 503156-26-1 is a valid CAS Registry Number.