Profile: Precursor Chemicals, Inc. specializes in offering specialty chemicals and pyrrole derivatives. Our pyrrole derivatives include N-methylpyrrole, N-phenylsulfonylpyrrole, 3-acetylpyrrole, 3-acetyl-2,4-dimethylpyrrole, 3,5-dimethylpyrrole-2,4-dicarboxylic acid 2-benzyl ester 4-t-butyl ester and 2,4-dimethylpyrrole.