73117-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73117-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,1 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73117-09:
(7*7)+(6*3)+(5*1)+(4*1)+(3*7)+(2*0)+(1*9)=106
106 % 10 = 6
So 73117-09-6 is a valid CAS Registry Number.