Description

5-Methyl-4-(4-Methylphenyl)Thiophene-3-Carboxylicacid is a high-purity, specialized organic compound that serves as a critical building block in advanced chemical synthesis. This compound is valued for its unique thiophene-based aromatic structure, which is essential for developing novel materials and active pharmaceutical ingredients. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for use in complex organic transformations and as a key intermediate.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its molecular framework contributes to the biological activity of the final product.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor or core structure in the synthesis of novel organic semiconductors and emissive materials for display and lighting technologies.
• Material Science Research: Employed as a monomer or building block for developing conductive polymers, liquid crystals, and other functional organic materials.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D labs exploring new organic reactions, catalysis, and heterocyclic chemistry.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of complex dyes, pigments, and other specialty fine chemicals.

Basic Information

Product Name	5-Methyl-4-(4-Methylphenyl)Thiophene-3-Carboxylicacid
CAS No.	667435-56-5
Molecular Formula	C13H12O2S
Molecular Weight	232.30 g/mol
Synonyms	3-Thiophenecarboxylic acid, 5-methyl-4-(4-methylphenyl)-; 5-Methyl-4-(p-tolyl)thiophene-3-carboxylic acid; 4-(4-Methylphenyl)-5-methylthiophene-3-carboxylic acid; 5-Methyl-4-(4-methylphenyl)-3-thiophenecarboxylic acid; 667435-56-5; 4-(p-Tolyl)-5-methylthiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-4-(4-Methylphenyl)Thiophene-3-Carboxylicacid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Heavy Metals	≤ 20 ppm

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