Description

4-Chlorothieno[2,3-B]Pyridin-6(7H)-One is a high-value heterocyclic building block and advanced pharmaceutical intermediate. This compound is critical for medicinal chemistry research and the development of novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D teams and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and library synthesis.
• Agrochemical Development: Used in the research and synthesis of novel crop protection agents and pesticides.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex fused heterocyclic systems.
• Material Science Research: Potential precursor for the development of organic electronic materials and ligands for catalysis.

Basic Information

Product Name	4-Chlorothieno[2,3-B]Pyridin-6(7H)-One
CAS No.	99429-81-9
Molecular Formula	C7H4ClNOS
Molecular Weight	185.63 g/mol
Synonyms	4-Chloro-6,7-dihydrothieno[2,3-b]pyridin-6-one; 4-Chloro-6,7-dihydrothieno[2,3-b]pyridin-6(7H)-one; 4-Chlorothieno[2,3-b]pyridin-6(7H)-one; 6H-Thieno[2,3-b]pyridin-6-one, 4-chloro-; 4-Chloro-6H-thieno[2,3-b]pyridin-6-one; 4-Chloro-7H-thieno[2,3-b]pyridin-6-one
EINECS	Contact for details

Quality Control

We maintain a strict quality management system to ensure batch-to-batch consistency and high purity for research and development applications. Our standard grade typically meets a purity specification of ≥95% (by HPLC), with options for higher grades available. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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