71167-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71167-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,6 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71167-16:
(7*7)+(6*1)+(5*1)+(4*6)+(3*7)+(2*1)+(1*6)=113
113 % 10 = 3
So 71167-16-3 is a valid CAS Registry Number.