171191-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171191-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,9 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 171191-30:
(8*1)+(7*7)+(6*1)+(5*1)+(4*9)+(3*1)+(2*3)+(1*0)=113
113 % 10 = 3
So 171191-30-3 is a valid CAS Registry Number.