Description

4-Benzofurancarboxylic Acid is a high-purity organic compound serving as a versatile and critical building block in advanced chemical synthesis. Its benzofuran core structure makes it a valuable intermediate for developing pharmaceuticals, agrochemicals, and functional materials. This compound is essential for research and production chemists in the pharmaceutical, agrochemical, and material science industries seeking reliable, high-quality synthetic precursors.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the benzofuran scaffold for bioactivity.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the production of advanced polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and natural product analogs.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and organic pigments.

Basic Information

Product Name	4-Benzofurancarboxylic Acid
CAS No.	166599-84-4
Molecular Formula	C9H6O3
Molecular Weight	162.14 g/mol
Synonyms	4-Carboxybenzofuran; Benzofuran-4-carboxylic Acid; 4-Benzo[b]furancarboxylic Acid; 1-Benzofuran-4-carboxylic Acid; 4-Furoic Acid, Benzofuran-; 166599-84-4; 4-Benzofurancarboxylic acid (ACD/Name 4.0)
EINECS	Contact for details

Quality Control

Our 4-Benzofurancarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.