Description

4-Oxo-4,5,6,7-Tetrahydrobenzo[B]Furan-3-Carboxylic Acid is a versatile heterocyclic building block and key intermediate in organic synthesis. Its fused furanone-carboxylic acid structure makes it a valuable precursor for constructing complex molecules with potential biological activity. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A critical starting material for synthesizing novel drug candidates, particularly in therapeutic areas targeting the central nervous system or metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex polycyclic structures in academic and industrial research laboratories.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers and functional organic materials.
• Chemical Reference Standard: Supplied in high purity for analytical method development, quality control, and regulatory testing in chemical manufacturing.

Basic Information

Product Name	4-Oxo-4,5,6,7-Tetrahydrobenzo[B]Furan-3-Carboxylic Acid
CAS No.	56671-28-4
Molecular Formula	C10H8O4
Molecular Weight	192.17 g/mol
Synonyms	3-Carboxy-4,5,6,7-tetrahydro-4-oxobenzofuran; 4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid; 4,5,6,7-Tetrahydro-4-oxobenzofuran-3-carboxylic acid; 4-Oxo-4,5,6,7-tetrahydrobenzofuran-3-carboxylic acid; 3-Carboxy-4-oxo-4,5,6,7-tetrahydrobenzofuran; 4-Oxo-4,5,6,7-tetrahydro-3-benzofurancarboxylic acid; 4,5,6,7-Tetrahydro-4-oxo-3-benzofurancarboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Oxo-4,5,6,7-Tetrahydrobenzo[B]Furan-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.