What are the main uses of 4-Methoxybenzoic Acid (CAS: 100-09-4)?

4-Methoxybenzoic Acid (CAS: 100-09-4) is widely utilized in pharmaceuticals as a precursor for drug development, in the production of dyes and pesticides, and as a food additive for preservative purposes. It also serves in research for creating derivatives and in industrial applications for polymer synthesis. The compound's versatility stems from its functional groups and reactivity.