Description

2(3H)-Benzofuranone, 7-Ethyl- is a specialized organic compound belonging to the benzofuranone class, serving as a valuable synthetic intermediate. Its molecular structure makes it a key building block for the development of more complex chemical architectures, particularly in advanced material and pharmaceutical research. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for synthesizing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its benzofuranone core.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a starting material for constructing electron-transport or emissive layer components in OLED device research.
• Fine Chemical Synthesis: Employed as a versatile building block for creating complex molecules in custom synthesis and contract research organizations (CROs).
• Ligand and Catalyst Development: Utilized in the design of novel ligands and organocatalysts for asymmetric synthesis and other catalytic processes.
• Polymer and Material Science: Acts as a monomer or modifier in the development of specialty polymers with specific thermal or optical properties.

Basic Information

Product Name	2(3H)-Benzofuranone, 7-Ethyl-
CAS No.	742079-92-1
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	7-Ethyl-2(3H)-benzofuranone; 7-Ethyl-3H-benzofuran-2-one; 7-Ethylcoumaran-2-one; 7-Ethyl-2-benzofuranone; 7-Ethylphthalide; 7-Ethyl-1(3H)-isobenzofuranone; 7-Ethyl-2-oxo-2,3-dihydrobenzofuran
EINECS	Contact for details

Quality Control

Our 2(3H)-Benzofuranone, 7-Ethyl- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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