Description

4-Methyl-5-p-Tolyl-Thiophene-2-Carboxylic Acid is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for advanced organic synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science: Serves as a precursor for organic semiconductors, conductive polymers, and advanced organic light-emitting diodes (OLEDs).
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research: A versatile building block for academic and industrial research in heterocyclic and medicinal chemistry.
• Fine Chemical Production: Used in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	4-Methyl-5-p-Tolyl-Thiophene-2-Carboxylic Acid
CAS No.	18210-38-3
Molecular Formula	C14H12O2S
Molecular Weight	244.31 g/mol
Synonyms	5-(4-Methylphenyl)-4-methylthiophene-2-carboxylic acid; 4-Methyl-5-(4-methylphenyl)thiophene-2-carboxylic acid; 5-(p-Tolyl)-4-methyl-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 4-methyl-5-(4-methylphenyl)-; 4-Methyl-5-(p-tolyl)thiophene-2-carboxylic acid; 18210-38-3; 4-Methyl-5-(4'-methylphenyl)thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Methyl-5-p-Tolyl-Thiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are available for 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 room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

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.