117409-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117409-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,0 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117409-80:
(8*1)+(7*1)+(6*7)+(5*4)+(4*0)+(3*9)+(2*8)+(1*0)=120
120 % 10 = 0
So 117409-80-0 is a valid CAS Registry Number.