Description

3-tert-Butoxy-2-Thiophenecarboxylic Acid Ethyl Ester is a high-purity, synthetically valuable organic building block. This compound is a key intermediate in the synthesis of complex heterocyclic molecules, particularly in pharmaceutical and agrochemical research. It is primarily utilized by R&D chemists and process development scientists in the life sciences and fine chemical industries for constructing novel active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those containing functionalized thiophene scaffolds.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides where the thiophene moiety imparts specific biological activity.
• Material Science Research: Serves as a monomer or building block for developing specialty polymers and organic electronic materials.
• Organic Synthesis: Employed in academic and industrial laboratories for constructing complex molecules via its reactive ester and ether functional groups.
• Ligand and Catalyst Development: Useful for creating novel ligands for metal catalysis in asymmetric synthesis.

Basic Information

Product Name	3-tert-Butoxy-2-Thiophenecarboxylic Acid Ethyl Ester
CAS No.	5612-69-1
Molecular Formula	C11H16O3S
Molecular Weight	228.31 g/mol
Synonyms	Ethyl 3-(tert-butoxy)thiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 3-(1,1-dimethylethoxy)-, ethyl ester; Ethyl 3-tert-butoxythiophene-2-carboxylate; 3-tert-Butoxythiophene-2-carboxylic acid ethyl ester; 3-(tert-Butoxy)thiophene-2-carboxylic Acid Ethyl Ester; 3-t-Butoxy-2-thiophenecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 3-tert-Butoxy-2-Thiophenecarboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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