Description

5-Methyl-4-Propylthiophene-2-Carboxylic Acid is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both carboxylic acid and alkyl-substituted thiophene moieties, makes it an invaluable precursor for creating complex molecules with tailored electronic and steric properties. This compound is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for applications in medicinal chemistry, material science, and as a ligand or intermediate in catalyst design.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, including herbicides and fungicides, leveraging its heterocyclic core.
• Material Science & Organic Electronics: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Chemical Research & Development: A versatile building block for constructing complex heterocyclic frameworks and functionalized thiophenes in academic and industrial R&D laboratories.
• Ligand Synthesis: Utilized in the preparation of specialized ligands for coordination chemistry and catalysis, including transition metal complexes.

Basic Information

Product Name	5-Methyl-4-Propylthiophene-2-Carboxylic Acid
CAS No.	790263-47-7
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	4-Propyl-5-methylthiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 5-methyl-4-propyl-; 5-Methyl-4-propyl-2-thiophenecarboxylic acid; 5-Methyl-4-propylthiophene-2-carboxylate; 790263-47-7; 4-Propyl-5-methyl-2-thiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methyl-4-Propylthiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.