Description

5-Isobutylthiophene-2-Carboxylic Acid is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. Its value lies in providing a versatile carboxylic acid handle on a substituted thiophene core, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where it is used to develop novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediates: Key synthon for the development of new drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging the bioactivity of the thiophene moiety.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and solar cells.
• Ligand and Catalyst Development: The carboxylic acid group allows for coordination to metal centers, making it useful for creating novel ligands and catalysts in asymmetric synthesis.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on heterocyclic chemistry and the exploration of new chemical spaces.
• Specialty Polymer Additives: Can be incorporated into polymers to modify properties such as conductivity, thermal stability, or UV absorption.

Basic Information

Product Name	5-Isobutylthiophene-2-Carboxylic Acid
CAS No.	5681-91-4
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	2-Thiophenecarboxylic acid, 5-(2-methylpropyl)-; 5-(2-Methylpropyl)thiophene-2-carboxylic acid; 5-Isobutyl-2-thiophenecarboxylic acid; 5-(Isobutyl)thiophene-2-carboxylic acid; 2-Carboxy-5-isobutylthiophene; Isobutylthiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Isobutylthiophene-2-Carboxylic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from HPLC, NMR, and other relevant spectroscopic methods. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards for fine chemical manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids and incompatible materials. The container must be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.