117711-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117711-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,1 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117711-44:
(8*1)+(7*1)+(6*7)+(5*7)+(4*1)+(3*1)+(2*4)+(1*4)=111
111 % 10 = 1
So 117711-44-1 is a valid CAS Registry Number.