Description

2-Thiophenecarboxylic Acid, 4-Hydroxy-3-Methyl- (9Ci) is a specialized heterocyclic building block featuring both carboxylic acid and phenolic hydroxyl functional groups on a thiophene core. This unique molecular architecture makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by the pharmaceutical, agrochemical, and material science industries for applications in drug discovery, ligand synthesis, and the development of novel functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting novel therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, such as herbicides and fungicides, leveraging its heterocyclic structure.
• Ligand and Catalyst Development: Serves as a precursor for creating chelating ligands in coordination chemistry and catalysis due to its oxygen and sulfur donor atoms.
• Material Science Research: Employed in the synthesis of organic semiconductors, conductive polymers, and other advanced electronic materials where the thiophene unit is essential.
• Chemical Research & Development: A versatile building block for organic synthesis, enabling the construction of complex molecular libraries for screening and discovery.

Basic Information

Product Name	2-Thiophenecarboxylic Acid, 4-Hydroxy-3-Methyl- (9Ci)
CAS No.	728032-42-6
Molecular Formula	C6H6O3S
Molecular Weight	158.18 g/mol
Synonyms	4-Hydroxy-3-methyl-2-thiophenecarboxylic acid; 3-Methyl-4-hydroxythiophene-2-carboxylic acid; 4-Hydroxy-3-methylthiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 4-hydroxy-3-methyl-; 728032-42-6; 4-Hydroxy-3-methyl-2-thienoic acid
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenecarboxylic Acid, 4-Hydroxy-3-Methyl- (9Ci) adheres to stringent quality management protocols. Each batch is characterized and tested to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), identity (IR, NMR), and impurity profiles is provided with every shipment to guarantee full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

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