Description

5-Chlorothieno[3,2-B]Pyridine is a high-purity heterocyclic organic compound featuring a fused thiophene and pyridine ring system. This versatile chemical building block is essential for advanced research and development in pharmaceutical chemistry, enabling the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new molecular entities with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new drug candidates, particularly in kinase inhibitor and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its unique heterocyclic scaffold.
• Material Science Precursor: Serves as a building block for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology Probe: Utilized in medicinal chemistry to create molecular probes for studying biological pathways and protein interactions.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-Chlorothieno[3,2-B]Pyridine
CAS No.	65977-55-1
Molecular Formula	C7H4ClNS
Molecular Weight	169.63 g/mol
Synonyms	5-Chlorothieno[3,2-b]pyridine; 5-Chloro-thieno[3,2-b]pyridine; Thieno[3,2-b]pyridine, 5-chloro-; 5-Chloro-4-azaindole (related structural class)
EINECS	Contact for details

Quality Control

Our 5-Chlorothieno[3,2-B]Pyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and industry best practices.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.