Used primarily as an intermediate in organic synthesis, especially in the production of specialty chemicals and pharmaceuticals. Its structure makes it valuable in constructing complex polycyclic frameworks found in bioactive molecules. It also serves as a building block in the development of advanced materials, including functionalized polymers and optoelectronic compounds. Additionally, derivatives of 1-Methyl-1H-indene are explored in research settings for potential applications in medicinal chemistry due to their ability to modulate biological activity.