Description

4-Methyl-5-Phenyl-Thiophene-2-Carboxylic Acid is a high-purity, functionalized thiophene derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its unique heterocyclic structure, which provides a versatile scaffold for constructing complex molecules with tailored properties. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Research: Used as a core structure for developing new generations of herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Serves as a monomer or functional additive in the production of conductive polymers, organic semiconductors, and advanced electronic materials.
• Chemical Synthesis: A versatile building block for constructing complex heterocyclic compounds, ligands for catalysis, and specialty fine chemicals.
• Academic & Contract Research: Essential reagent for methodological development in organic chemistry and for producing reference standards in analytical laboratories.

Basic Information

Product Name	4-Methyl-5-Phenyl-Thiophene-2-Carboxylic Acid
CAS No.	40133-12-8
Molecular Formula	C12H10O2S
Molecular Weight	218.27 g/mol
Synonyms	5-Phenyl-4-methylthiophene-2-carboxylic acid; 4-Methyl-5-phenyl-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 4-methyl-5-phenyl-; 4-Methyl-5-phenylthiophene-2-carboxylic acid; 5-Phenyl-4-methyl-2-thiophenecarboxylic acid; 4-Methyl-5-phenyl-thiophene-2-carboxylic acid; 40133-12-8; 4-Methyl-5-phenylthiophene-2-carboxylic acid (principal synonym)
EINECS	Contact for details

Quality Control

Every batch of 4-Methyl-5-Phenyl-Thiophene-2-Carboxylic Acid is manufactured and tested under a strict quality management system. We guarantee high chemical purity and lot-to-lot consistency suitable for demanding research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

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.