Description

Benzofuran-5-Yl-Oxoacetic Acid Ethyl Ester is a high-purity organic building block and key synthetic intermediate of significant commercial interest. Its unique benzofuran-oxoacetate structure makes it a versatile precursor for the development of advanced materials and active pharmaceutical ingredients (APIs). This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for complex synthesis projects.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and plant growth regulators due to its bioactive benzofuran core.
• Organic Synthesis & Material Science: Serves as a key precursor for creating complex heterocyclic compounds, ligands for catalysis, and functional organic materials.
• Dye & Pigment Manufacturing: Employed in the synthesis of specialized dyes and optical brighteners where the benzofuran moiety imparts specific light-absorption properties.
• Flavor & Fragrance Industry: Acts as an intermediate for synthesizing certain aroma chemicals and fragrance components.

Basic Information

Product Name	Benzofuran-5-Yl-Oxoacetic Acid Ethyl Ester
CAS No.	79002-37-2
Molecular Formula	C₁₂H₁₀O₄
Molecular Weight	218.21 g/mol
Synonyms	Ethyl 2-(5-benzofuranyl)-2-oxoacetate; 2-Oxo-2-(5-benzofuranyl)acetic acid ethyl ester; 5-Benzofurylglyoxylic acid ethyl ester; Ethyl (5-benzofuranyl)oxoacetate; 5-Benzofuranyl α-ketoacetic acid ethyl ester; Ethyl 5-benzofurylglyoxylate; 2-(Benzofuran-5-yl)-2-oxoacetic acid ethyl ester; 79002-37-2
EINECS	Contact for details

Quality Control

Our Benzofuran-5-Yl-Oxoacetic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere for long-term storage to maintain optimal purity and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay	97.0% - 102.0%
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.