71160-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71160-99-1 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 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71160-99:
(7*7)+(6*1)+(5*1)+(4*6)+(3*0)+(2*9)+(1*9)=111
111 % 10 = 1
So 71160-99-1 is a valid CAS Registry Number.