Description

2,3-Thiophenedicarbonyl Dichloride (9Ci) is a high-purity, reactive organic intermediate essential for advanced chemical synthesis. This compound serves as a critical building block for constructing complex heterocyclic systems, enabling the development of novel materials and active pharmaceutical ingredients. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of thiophene-based active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and insecticides with thiophene cores.
• Material Science: Used in the production of organic semiconductors, conductive polymers, and advanced electronic materials.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Intermediate for producing specialized colorants and functional dyes.
• Custom Synthesis and R&D: Employed in research laboratories for method development and the creation of novel chemical entities.

Basic Information

Product Name	2,3-Thiophenedicarbonyl Dichloride (9Ci)
CAS No.	63599-98-4
Molecular Formula	C6H2Cl2O2S
Molecular Weight	209.05 g/mol
Synonyms	2,3-Thiophenedicarboxylic Acid Dichloride; 2,3-Thiophenedicarbonyl Chloride; Thiophene-2,3-dicarbonyl Dichloride; 2,3-Dicarbothiophenoyl Chloride; 2,3-Bis(chlorocarbonyl)thiophene; NSC 163081; 63599-98-4
EINECS	Contact for details

Quality Control

Our 2,3-Thiophenedicarbonyl Dichloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from strong acids, 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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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