71161-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71161-17-6 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 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71161-17:
(7*7)+(6*1)+(5*1)+(4*6)+(3*1)+(2*1)+(1*7)=96
96 % 10 = 6
So 71161-17-6 is a valid CAS Registry Number.