117409-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117409-68-4 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, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117409-68:
(8*1)+(7*1)+(6*7)+(5*4)+(4*0)+(3*9)+(2*6)+(1*8)=124
124 % 10 = 4
So 117409-68-4 is a valid CAS Registry Number.