Description

2,3-Pyridinedicarboxylic Acid, 4-Chloro- CAS NO 605661-85-6 is a high-purity, halogenated pyridine derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its unique molecular structure, which provides a versatile scaffold for constructing complex molecules in pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), specialty agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging the bioactivity of the chloropyridine moiety.
• Ligand and Catalyst Development: Serves as a starting material for creating chelating ligands and organocatalysts used in asymmetric synthesis and metal complexation.
• Material Science Research: Employed in the synthesis of organic semiconductors, metal-organic frameworks (MOFs), and other functional polymers.
• Chemical Biology Probes: Utilized to develop molecular probes and tags for studying biological processes and enzyme inhibition.
• Custom Synthesis & Contract Manufacturing: A vital raw material for CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for client projects.

Basic Information

Product Name	2,3-Pyridinedicarboxylic Acid, 4-Chloro-
CAS No.	605661-85-6
Molecular Formula	C7H4ClNO4
Molecular Weight	201.56 g/mol
Synonyms	4-Chloro-2,3-pyridinedicarboxylic acid; 4-Chloropyridine-2,3-dicarboxylic acid; 2,3-Pyridinedicarboxylic acid, 4-chloro-; 4-Chloro-2,3-dicarboxypyridine; 4-Chloropyridine-2,3-dicarboxylate; 4-Cl-Pyridine-2,3-dicarboxylic Acid
EINECS	Contact for details

Quality Control

Every batch of 2,3-Pyridinedicarboxylic Acid, 4-Chloro- is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for research and commercial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment. Our quality commitment supports compliance in cGMP (current Good Manufacturing Practice) environments for pharmaceutical development.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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