2,4-Dimethyl-1H-pyrrole-3-carboxylic Acid Ethyl Ester is used in the preparation of blue pyrrole dyes. 2,4-Dimethyl-1H-pyrrole-3-carboxylic Acid Ethyl Ester is also used as an intermediate in the synthesis of receptor tyrosine kinase (RTK) inhibitors and their metabolites.