Description

4-Methyl-5-(5-Methyl-2-Furyl)Thiophene-2-Carboxylic Acid is a high-purity heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmaceuticals and functional materials, where its unique fused furan-thiophene structure enables the creation of complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting CNS and anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the synthesis of conductive polymers and organic semiconductors for electronic applications.
• Chemical Synthesis Reagent: Employed in academic and industrial R&D for constructing complex heterocyclic systems and as a ligand in catalytic processes.
• Dye & Pigment Intermediate: Utilized in the production of specialized organic dyes and pigments due to its chromophoric structure.

Basic Information

Product Name	4-Methyl-5-(5-Methyl-2-Furyl)Thiophene-2-Carboxylic Acid
CAS No.	832740-66-6
Molecular Formula	C11H10O3S
Molecular Weight	222.26 g/mol
Synonyms	5-(5-Methylfuran-2-yl)-4-methylthiophene-2-carboxylic acid; 4-Methyl-5-(5-methyl-2-furanyl)-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 4-methyl-5-(5-methyl-2-furanyl)-; 832740-66-6; 4-Methyl-5-(5-methylfuran-2-yl)thiophene-2-carboxylic acid; 5-(5-Methyl-2-furyl)-4-methyl-2-thiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 4-Methyl-5-(5-Methyl-2-Furyl)Thiophene-2-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All material is characterized and released against comprehensive specifications, including identity confirmation by spectroscopic methods (IR, NMR) and purity assessment by HPLC. A Certificate of Analysis (COA) detailing all test results is provided with each 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 place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. 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 reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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