Description

4-Methoxythiophene-3-Carbaldehyde is a versatile heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique molecular structure, featuring both a thiophene ring and a formyl group, makes it a critical precursor for constructing complex pharmacophores and functional materials. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active compounds and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders, anti-inflammatory agents, and other therapeutic areas.
• Agrochemical Synthesis: Serves as a building block for creating new-generation pesticides, herbicides, and fungicides with improved efficacy and environmental profiles.
• Material Science Research: Used in the synthesis of organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its electron-rich thiophene core.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Fine Chemical Production: Acts as a precursor for dyes, pigments, and other specialty fine chemicals requiring specific heterocyclic architectures.

Basic Information

Product Name	4-Methoxythiophene-3-Carbaldehyde
CAS No.	82069-74-7
Molecular Formula	C6H6O2S
Molecular Weight	142.18 g/mol
Synonyms	3-Formyl-4-methoxythiophene; 4-Methoxy-3-thiophenecarboxaldehyde; 4-Methoxythiophene-3-carboxaldehyde; 3-Thiophenecarboxaldehyde, 4-methoxy-; 4-Methoxy-thiophene-3-carbaldehyde
EINECS	Contact for details

Quality Control

Our 4-Methoxythiophene-3-Carbaldehyde is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industry segments.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flame. This material is easily oxidized and light-sensitive.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.