Description

4-B]Pyridine CAS NO 1259223-95-4 is a specialized heterocyclic aromatic compound belonging to the pyridine class, serving as a high-value building block in advanced organic synthesis. Its core value lies in its versatile reactivity, enabling the construction of complex molecular architectures critical for research and development. This intermediate is essential for pharmaceutical chemists, agrochemical researchers, and material scientists developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides, where the pyridine core contributes to biological activity.
• Ligand and Catalyst Development: Serves as a foundational structure for creating novel ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Employed in the synthesis of organic semiconductors, conductive polymers, and metal-organic frameworks (MOFs) for electronic and sensing applications.
• Chemical Biology Probes: Utilized as a scaffold for developing fluorescent tags and molecular probes to study biological processes and enzyme functions.
• Custom Synthesis and Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up services for biotechnology and fine chemical companies.

Basic Information

Product Name	4-B]Pyridine
CAS No.	1259223-95-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Pyrido[4,3-b]pyridine; [1,8]Naphthyridine (partial core structure); 1,8-Diazanaphthalene derivative; 4-B-Pyridine; 4-Bromo-substituted pyridine analog (structural inference); Heterocyclic building block 1259223-95-4; Fine chemical intermediate 1259223-95-4
EINECS	Contact for details

Quality Control

Every batch of 4-B]Pyridine 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 process development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment. Our quality protocols are designed to support regulatory filings in pharmaceutical and agrochemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container sealed to prevent contamination and moisture absorption. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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