Description

4-Bromo-5-Hexylthiophene-2-Carboxylic Acid is a high-value, functionalized thiophene derivative that serves as a critical building block in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in materials science and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the organic electronics, agrochemical, and pharmaceutical industries for creating novel conjugated polymers and active pharmaceutical ingredients (APIs).

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Photovoltaics (OPVs).
• Pharmaceutical Intermediate: Serves as a versatile synthon in the development of new drug candidates, leveraging the thiophene scaffold for bioactive molecule design.
• Agrochemical Research: Used in the synthesis of novel herbicides and fungicides, where the bromine and carboxylic acid functionalities allow for further derivatization.
• Ligand and Catalyst Development: Employed to create specialized ligands for metal-organic frameworks (MOFs) or transition metal catalysts.
• Material Science Research: Acts as a building block for functional dyes, sensors, and non-linear optical (NLO) materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.

Basic Information

Item	Details
Product Name	4-Bromo-5-Hexylthiophene-2-Carboxylic Acid
CAS No.	478166-01-7
Molecular Formula	C11H15BrO2S
Molecular Weight	291.21 g/mol
Synonyms	5-Hexyl-4-bromothiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 4-bromo-5-hexyl-; 4-Bromo-5-hexyl-2-thiophenecarboxylic acid; 4-Bromo-5-n-hexylthiophene-2-carboxylic acid; 478166-01-7; Br-Hexyl-Thiophene-COOH; 4-Br-5-C6H13-Thiophene-2-COOH
EINECS	Contact for details

Quality Control

Our production of 4-Bromo-5-Hexylthiophene-2-Carboxylic Acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is fully characterized and undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

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	≤ 1.0%
Heavy Metals	< 20 ppm

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