Description

2-Thiophenecarbonyl Chloride, 4,5-Dichloro- is a high-purity, functionalized heterocyclic acid chloride building block. This compound is critical for introducing the 4,5-dichlorothiophene moiety into complex molecular architectures, enabling the synthesis of advanced materials and active pharmaceutical ingredients. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that incorporate the dichlorothiophene scaffold.
• Material Science Precursor: Serves as a monomer or functionalization agent in the development of conductive polymers, organic semiconductors, and advanced organic frameworks.
• Ligand and Catalyst Development: Employed to create specialized ligands for metal catalysis or as a core structure in catalyst design.
• Custom Synthesis and Contract Manufacturing: Essential for fine chemical and CDMO (Contract Development and Manufacturing Organization) facilities producing bespoke compounds for clients.
• Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new chemical reactions and synthesizing libraries of compounds for screening.

Basic Information

Product Name	2-Thiophenecarbonyl Chloride, 4,5-Dichloro-
CAS No.	89283-13-6
Molecular Formula	C5H1Cl3OS
Molecular Weight	211.48 g/mol
Synonyms	4,5-Dichloro-2-thiophenecarbonyl chloride; 4,5-Dichlorothiophene-2-carbonyl chloride; 4,5-Dichloro-2-thienoyl chloride; 2-Thenoyl chloride, 4,5-dichloro-; 4,5-Dichlorothiophene-2-carboxylic acid chloride; 4,5-Dichloro-2-carboxythiophene chloride
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarbonyl Chloride, 4,5-Dichloro- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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