Description

2,4-Dichloropyrido[2,3-D]Pyrimidine CAS NO 126728-20-9 is a high-value, multi-functional heterocyclic building block characterized by its fused pyridine and pyrimidine ring system. This compound is essential for facilitating complex molecular transformations in advanced chemical synthesis, serving as a versatile precursor for constructing more elaborate pharmacophores and functional materials. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the creation of novel active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used as a building block for creating novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Serves as a precursor in the development of organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for organic semiconductors.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects requiring complex, halogenated heterocyclic architectures.
• Academic & Institutional Research: Employed in university and institutional labs for methodological development in organic chemistry and heterocyclic chemistry studies.

Basic Information

Product Name	2,4-Dichloropyrido[2,3-D]Pyrimidine
CAS No.	126728-20-9
Molecular Formula	C7H3Cl2N3
Molecular Weight	199.03 g/mol
Synonyms	2,4-Dichloro[1,3]diazino[4,5-b]quinoline; 2,4-Dichloropyrido[2,3-d]pyrimidine; Pyrido[2,3-d]pyrimidine, 2,4-dichloro-; 2,4-Dichloro-7-azapteridine; 2,4-Dichloro-7-azanaphthyridine
EINECS	Contact for details

Quality Control

Every batch of 2,4-Dichloropyrido[2,3-D]Pyrimidine is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and scale-up applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep the container sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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