Description

5-Chlorothieno[3,2-B]Pyridine-3-Carboxylic Acid is a high-value heterocyclic building block and key synthetic intermediate. This compound matters for its crucial role in the development of novel active pharmaceutical ingredients (APIs) and advanced organic electronic materials. Pharmaceutical researchers and fine chemical manufacturers need it for constructing complex molecular architectures, particularly in medicinal chemistry programs targeting various therapeutic areas.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its unique heterocyclic scaffold.
• Material Science: Serves as a building block for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials.
• Ligand Synthesis: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Incorporated into molecular probes for studying biological processes and enzyme inhibition.

Basic Information

Product Name	5-Chlorothieno[3,2-B]Pyridine-3-Carboxylic Acid
CAS No.	1356016-34-6
Molecular Formula	C8H4ClNO2S
Molecular Weight	213.64 g/mol
Synonyms	5-Chlorothieno[3,2-b]pyridine-3-carboxylic acid; 3-Carboxy-5-chlorothieno[3,2-b]pyridine; 5-Chloro-3-thieno[3,2-b]pyridinecarboxylic Acid; 1356016-34-6; Thienopyridine-3-carboxylic acid, 5-chloro-; 5-Chloro-thieno[3,2-b]pyridine-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Chlorothieno[3,2-B]Pyridine-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency suitable for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.