501111-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501111-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,1,1 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 501111-97:
(8*5)+(7*0)+(6*1)+(5*1)+(4*1)+(3*1)+(2*9)+(1*7)=83
83 % 10 = 3
So 501111-97-3 is a valid CAS Registry Number.