81116-73-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81116-73-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,1 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81116-73:
(7*8)+(6*1)+(5*1)+(4*1)+(3*6)+(2*7)+(1*3)=106
106 % 10 = 6
So 81116-73-6 is a valid CAS Registry Number.