p-Anisic acid is commonly used as an intermediate in the synthesis of pharmaceuticals fragrances dyes and other specialty chemicals. It is also used in analytical and research laboratories as a chemical reference material.

The purpose of p-Anisic acid is to serve as a starting material or intermediate for chemical synthesis and as a reagent or reference substance in laboratory analysis and research.

p-Anisic acid also known as 4-methoxybenzoic acid is an aromatic carboxylic acid consisting of a benzene ring substituted with a methoxy group and a carboxylic acid group in the para position.