Description

3-Thiophenecarbonyl Chloride is a versatile and highly reactive organosulfur building block, essential for introducing the thiophene moiety into complex molecular architectures. Its primary value lies in its role as a key acylating agent and synthetic precursor in advanced organic synthesis, enabling the creation of novel compounds with tailored properties. This intermediate is critically needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications ranging from drug discovery to the development of conductive polymers and organic electronics.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thiophene heterocycles for therapeutic applications.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophene ring contributes to biological activity.
• Material Science & Organic Electronics: A key precursor in the synthesis of monomers and polymers for conductive materials, organic semiconductors, and OLED (Organic Light-Emitting Diode) components.
• Ligand & Catalyst Development: Employed to create novel ligands for metal catalysis and organocatalysts, enhancing reaction selectivity and efficiency.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and pigments with unique color and stability properties.
• Research & Development: Fundamental reagent in academic and industrial R&D labs for exploring new chemical entities and reaction methodologies.
• Custom Synthesis: Used by contract research and manufacturing organizations (CROs/CMOs) for bespoke chemical synthesis projects.

Basic Information

Product Name	3-Thiophenecarbonyl Chloride
CAS No.	41507-35-1
Molecular Formula	C5H3ClOS
Molecular Weight	146.59 g/mol
Synonyms	3-Thenoyl Chloride; Thiophene-3-carbonyl Chloride; 3-Carboxythiophene Chloride; 3-Thiophenecarboxylic Acid Chloride; β-Thiophenecarbonyl Chloride; Thenoyl Chloride (3-isomer); 3-Thienylcarbonyl Chloride; 3-Thiophenoyl Chloride
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of advanced synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We are committed to supporting our clients' quality and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent derivative, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from moisture and air. Keep away from heat, open flames, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
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.