2-Fluorobenzaldehyde is a chemical compound that belongs to the class of diphenols. It is used as a reagent for the preparation of other compounds and has been studied for its inhibitory effects on the growth factor. 2-Fluorobenzaldehyde also inhibits copper chloride, which is an enzyme that catalyzes the oxidation of phenols to quinones. The inhibition of this enzyme results in the formation of 3-ethylbenzthiazoline-6-sulfonic acid, which has an inhibitory effect on bacterial growth. 2-Fluorobenzaldehyde has shown potent antibacterial activity against gram-positive bacteria such as Staphylococcus aureus and Clostridium perfringens, but it is not active against gram-negative bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. This may be due to its inability to cross the lipid bilayer membrane in these organisms.