Description

tert-Butyl Thiophene-2-Carboxylate is a high-purity organic building block and ester derivative of thiophene-2-carboxylic acid. This compound is valued for its role as a versatile synthetic intermediate in advanced organic synthesis, particularly in the construction of complex heterocyclic molecules. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing thiophene or fused heterocyclic ring systems.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides where the thiophene moiety imparts specific biological activity.
• Material Science & Organic Electronics: Serves as a precursor for monomers and functional molecules used in conductive polymers, organic semiconductors, and non-linear optical materials.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and organocatalysts.
• Chemical Research & Development: A versatile reagent for method development, scaffold hopping, and exploring new chemical space in medicinal chemistry programs.
• Fine Chemical Production: Used in the custom synthesis of specialty chemicals, flavors, and fragrances requiring specific thiophene-based structures.

Basic Information

Product Name	tert-Butyl Thiophene-2-Carboxylate
CAS No.	939-62-8
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	2-Thiophenecarboxylic acid, 1,1-dimethylethyl ester; 2-(tert-Butoxycarbonyl)thiophene; tert-Butyl 2-thiophenecarboxylate; 2-Carbomethoxythiophene tert-butyl ester; Thiophene-2-carboxylic acid tert-butyl ester; TBTC; 939-62-8
EINECS	213-365-8

Quality Control

Our tert-Butyl Thiophene-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, 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 controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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