3,4,5-Trimethoxybenzoic acid（Cat No.:R053315）is an aromatic carboxylic acid featuring three methoxy groups at the 3, 4, and 5 positions of the benzene ring. This electron-rich structure enhances its reactivity and solubility in organic solvents, making it a valuable intermediate in pharmaceutical and fine chemical synthesis. It is commonly used in the preparation of bioactive molecules, including anti-inflammatory and anticancer agents. The trimethoxy substitution pattern contributes to its stability and potential biological activity, while the carboxylic acid group enables further derivatization, such as esterification or amide bond formation, in medicinal chemistry applications.