Description

4-Chlorothieno[2,3-B]Pyridine-5-Carboxylic Acid is a high-value heterocyclic building block and key synthetic intermediate. This compound is critical for research and development in advanced organic synthesis, particularly in the construction of complex molecular architectures. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its unique heterocyclic structure for bioactivity.
• Material Science: Acts as a building block for creating advanced organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and for exploring new chemical spaces in high-throughput screening.

Basic Information

Product Name	4-Chlorothieno[2,3-B]Pyridine-5-Carboxylic Acid
CAS No.	700844-19-5
Molecular Formula	C8H4ClNO2S
Molecular Weight	213.64 g/mol
Synonyms	4-Chlorothieno[2,3-b]pyridine-5-carboxylic acid; 5-Carboxy-4-chlorothieno[2,3-b]pyridine; 4-Chloro-5-thieno[2,3-b]pyridinecarboxylic acid; 700844-19-5; Thieno[2,3-b]pyridine-5-carboxylic acid, 4-chloro-; 4-Chlorothienopyridine-5-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Chlorothieno[2,3-B]Pyridine-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

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