Description

Ethyl 3,3-Dimethyl-2,3-Dihydrobenzofuran-5-Carboxylate is a high-purity organic intermediate belonging to the dihydrobenzofuran class of compounds. This specialty chemical is valued for its unique fused ring structure, which serves as a versatile building block in advanced synthetic chemistry. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its heterocyclic scaffold.
• Material Science Research: Serves as a monomer or functional additive in the development of specialty polymers and advanced organic materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecular architectures via various coupling and cyclization reactions.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific aroma chemicals due to its benzofuran backbone.

Basic Information

Product Name	Ethyl 3,3-Dimethyl-2,3-Dihydrobenzofuran-5-Carboxylate
CAS No.	943640-77-5
Molecular Formula	C₁₃H₁₆O₃
Molecular Weight	220.26 g/mol
Synonyms	5-Carbethoxy-3,3-dimethyldihydrobenzofuran; Ethyl 5-Benzofurancarboxylate, 2,3-dihydro-3,3-dimethyl-; 3,3-Dimethyl-2,3-dihydrobenzofuran-5-carboxylic acid ethyl ester; 2,3-Dihydro-3,3-dimethyl-5-benzofurancarboxylic acid ethyl ester; Ethyl 3,3-dimethyl-2,3-dihydro-1-benzofuran-5-carboxylate; 943640-77-5; 5-(Ethoxycarbonyl)-3,3-dimethyl-2,3-dihydrobenzofuran
EINECS	Contact for details

Quality Control

Our Ethyl 3,3-Dimethyl-2,3-Dihydrobenzofuran-5-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request 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 place at a controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. The container should be kept tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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