Description

4,5-Dichlorothiophene-2-Carbaldehyde is a versatile halogenated heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its reactive aldehyde group and halogen substituents, which enable precise molecular construction for complex target molecules. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its thiophene scaffold for enhanced bioactivity.
• Material Science & Organic Electronics: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and coordination chemistry.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on heterocyclic chemistry and the exploration of new chemical entities.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the thiophene core contributes to color properties and stability.

Basic Information

Product Name	4,5-Dichlorothiophene-2-Carbaldehyde
CAS No.	67482-49-9
Molecular Formula	C5H2Cl2OS
Molecular Weight	181.04 g/mol
Synonyms	2,3-Dichlorothiophene-5-carboxaldehyde; 2,3-Dichloro-5-formylthiophene; 5-Formyl-2,3-dichlorothiophene; 2,3-Dichlorothiophene-5-carbaldehyde; 4,5-Dichloro-2-thiophenecarboxaldehyde; 4,5-Dichloro-2-thiophenecarbaldehyde; 4,5-Dichloro-thiophene-2-carbaldehyde
EINECS	Contact for details

Quality Control

Our 4,5-Dichlorothiophene-2-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 oxidizing agents and bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.