Description

5-tert-Butoxythiophene-2-Carboxylic Acid is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for advanced organic synthesis, particularly in the development of novel pharmaceuticals and functional materials. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), especially those containing thiophene scaffolds.
• Agrochemical Synthesis: Used in the creation of advanced crop protection agents and herbicides where the thiophene moiety imparts specific biological activity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as conductive polymers and organic semiconductors.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal-catalyzed reactions and coordination chemistry.
• Custom Synthesis and Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.
• Academic and Industrial R&D: Utilized in exploratory chemistry for the discovery of new compounds with potential biological or physical properties.

Basic Information

Product Name	5-tert-Butoxythiophene-2-Carboxylic Acid
CAS No.	54889-42-8
Molecular Formula	C9H12O3S
Molecular Weight	200.26 g/mol
Synonyms	2-Thiophenecarboxylic acid, 5-(1,1-dimethylethoxy)-; 5-(tert-Butoxy)thiophene-2-carboxylic acid; 5-tert-Butoxy-2-thiophenecarboxylic acid; 5-(1,1-Dimethylethoxy)-2-thiophenecarboxylic acid; 5-tert-Butoxythiophene-2-carboxylic acid; 2-Carboxy-5-tert-butoxythiophene; 5-tert-Butoxythiophene-2-carboxylate (acid form)
EINECS	Contact for details

Quality Control

Our 5-tert-Butoxythiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to cGMP principles and ISO-aligned processes guarantees a reliable supply of high-purity material for your most demanding applications.

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 heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain optimal purity.

Specification

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