Filixic acid ABA is primarily used in the field of botanical research and natural product chemistry. It is studied for its potential bioactivity, particularly in relation to its role as a natural compound derived from ferns. Researchers investigate its properties for possible applications in plant physiology and as a bioactive agent in traditional medicine. Additionally, it is explored for its potential use in developing natural pesticides or herbicides due to its origin from plant sources. Its unique structure also makes it a subject of interest in organic synthesis and chemical studies aimed at understanding natural product derivatives.