Primarily used in organic synthesis as a Grignard reagent, this chemical facilitates the formation of carbon-carbon bonds, essential in constructing complex organic molecules. It is particularly valuable in the preparation of pharmaceuticals, where it introduces methoxy-substituted phenyl groups into target compounds. Additionally, it serves as an intermediate in the synthesis of fine chemicals and agrochemicals, enabling the production of compounds with specific biological activities. Its reactivity with carbonyl compounds, such as aldehydes and ketones, makes it a versatile tool in the development of new materials and active ingredients.