Description

5-(4-Methylphenyl)-2-Thiophenecarboxylic Acid is a high-purity organic building block featuring a thiophene core substituted with a carboxylic acid and a para-methylphenyl group. This compound matters as a versatile intermediate for synthesizing advanced materials and active pharmaceutical ingredients (APIs), offering precise structural control. It is needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders or inflammation.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the thiophene moiety can contribute to biological activity.
• Material Science Research: Serves as a precursor for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its conjugated system.
• Ligand and Catalyst Development: The carboxylic acid group allows for functionalization into complex ligands for metal-organic frameworks (MOFs) or homogeneous catalysis.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring novel heterocyclic chemistry and creating custom chemical libraries.

Basic Information

Product Name	5-(4-Methylphenyl)-2-Thiophenecarboxylic Acid
CAS No.	40808-21-7
Molecular Formula	C12H10O2S
Molecular Weight	218.27 g/mol
Synonyms	5-(p-Tolyl)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 5-(4-methylphenyl)-; 5-(4-Methylphenyl)thiophene-2-carboxylic acid; 5-p-Tolyl-2-thiophenecarboxylic acid; 5-(4-Methylphenyl)-2-thiophenecarboxylic acid; 5-(p-Methylphenyl)thiophene-2-carboxylic acid; 5-(4-Tolyl)thiophene-2-carboxylic acid; 40808-21-7
EINECS	Contact for details

Quality Control

Our 5-(4-Methylphenyl)-2-Thiophenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is 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 away from strong oxidizing agents and 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.