Description

2,4-Dichloro-3-Aminopyridine is a versatile halogenated aminopyridine derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its bifunctional reactivity, where the chlorine atoms and the amino group provide distinct handles for selective functionalization, enabling the construction of complex heterocyclic scaffolds. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing new active ingredients, particularly for applications requiring pyridine-based cores with specific substitution patterns.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and insecticides with pyridine moieties.
• Material Science Research: Used in the creation of organic ligands for catalysis and functional materials.
• Chemical Research & Development: A versatile scaffold for medicinal chemistry and process chemistry for structure-activity relationship (SAR) studies.
• Dye and Pigment Intermediate: Serves in the synthesis of specialized heterocyclic dyes and colorants.

Basic Information

Product Name	2,4-Dichloro-3-Aminopyridine
CAS No.	173772-63-9
Molecular Formula	C5H4Cl2N2
Molecular Weight	162.99 g/mol
Synonyms	3-Amino-2,4-dichloropyridine; 2,4-Dichloropyridin-3-amine; 3-Amino-2,4-dichloro-pyridine; 2,4-Dichloro-3-pyridinamine; Pyridine, 3-amino-2,4-dichloro-; 2,4-Dichloro-3-aminopyridine; 3-Pyridinamine, 2,4-dichloro-
EINECS	Contact for details

Quality Control

Our 2,4-Dichloro-3-Aminopyridine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for fine chemical intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

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%
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.