Description

4,5-Dichloro-3-thiophenecarbaldehyde is a versatile and highly functionalized heterocyclic building block, primarily used as a key intermediate in advanced organic synthesis. Its value lies in the reactive aldehyde group and the halogenated thiophene backbone, which allow for precise molecular construction and derivatization. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where it serves as a precursor for active ingredients, ligands, and functional polymers.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in the development of kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its halogenated structure for bioactivity.
• Material Science & Organic Electronics: Serves as a monomer or precursor for conjugated polymers and organic semiconductors used in OLEDs, OFETs, and sensors.
• Ligand & Catalyst Development: The aldehyde functionality allows for the creation of complex chelating ligands used in homogeneous catalysis.
• Chemical Research & Development: A valuable reagent for heterocyclic and medicinal chemistry research, enabling the exploration of new chemical spaces.
• Dye & Pigment Intermediate: Used in the synthesis of specialized dyes and pigments with specific electronic properties.

Basic Information

Product Name	4,5-Dichloro-3-thiophenecarbaldehyde
CAS No.	61200-59-7
Molecular Formula	C5H2Cl2OS
Molecular Weight	181.04 g/mol
Synonyms	3-Formyl-4,5-dichlorothiophene; 4,5-Dichlorothiophene-3-carboxaldehyde; 4,5-Dichloro-3-thiophenecarboxaldehyde; 4,5-Dichlorothiophene-3-carbaldehyde; 4,5-Dichloro-3-formylthiophene; 3-Aldehyde-4,5-dichlorothiophene
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-3-thiophenecarbaldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
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.