Description

5-Butylthiophene-2-Carboxylic Acid is a high-purity organic building block and intermediate of significant value in advanced chemical synthesis. This compound is essential for researchers and manufacturers requiring a functionalized thiophene derivative with a reactive carboxylic acid group and a lipophilic butyl chain. It is primarily utilized in the development of pharmaceuticals, agrochemicals, and functional materials where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for molecules targeting central nervous system (CNS) disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the thiophene moiety can enhance biological activity and environmental stability.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the synthesis of conductive polymers, organic semiconductors, and liquid crystals for electronic applications.
• Organic Synthesis Building Block: Employed in coupling reactions (e.g., amidation, esterification) to create complex molecules for chemical research and fine chemical production.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.

Basic Information

Product Name	5-Butylthiophene-2-Carboxylic Acid
CAS No.	63068-74-6
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	2-Butyl-5-thiophenecarboxylic Acid; 5-n-Butylthiophene-2-carboxylic Acid; 2-Carboxy-5-butylthiophene; Thiophene-2-carboxylic acid, 5-butyl-; 5-Butyl-2-thiophenecarboxylic Acid
EINECS	Contact for details

Quality Control

Our 5-Butylthiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its acidic nature, handle with appropriate personal protective equipment in a controlled environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.