Description

Ethyl 2-Chloro-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate is a high-value heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for creating new compounds with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Serves as a core scaffold for developing new pesticides and herbicides with improved efficacy and environmental profiles.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, conductive polymers, and other advanced materials due to its fused thienopyrrole structure.
• Dye and Pigment Synthesis: Acts as a building block for creating specialized heterocyclic dyes and pigments with specific light-absorption properties.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological processes and target identification.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds for client projects.

Basic Information

Product Name	Ethyl 2-Chloro-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate
CAS No.	332099-38-4
Molecular Formula	C9H8ClNO2S
Molecular Weight	229.68 g/mol
Synonyms	Ethyl 2-Chlorothieno[3,2-b]pyrrole-5-carboxylate; 2-Chloro-4H-thieno[3,2-b]pyrrole-5-carboxylic acid ethyl ester; 5-Carbethoxy-2-chlorothieno[3,2-b]pyrrole; 2-Chloro-5-ethoxycarbonyl-4H-thieno[3,2-b]pyrrole; Ethyl 2-chloro-4H-thieno[3,2-b]pyrrole-5-carboxylate; CAS 332099-38-4; Thienopyrrole-5-carboxylate derivative
EINECS	Contact for details

Quality Control

Our Ethyl 2-Chloro-4H-Thieno[3,2-B]Pyrrole-5-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing purity, impurities, and other critical parameters are provided with each shipment to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
Loss on Drying	≤ 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.