Description

4-Azido-3-Chlorobenzyl Bromide is a versatile and highly reactive bifunctional organic building block, essential for advanced chemical synthesis. Its unique structure, featuring both an azide group and a benzyl bromide moiety, makes it a critical intermediate for click chemistry and cross-coupling reactions. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and bioconjugates via copper-catalyzed azide-alkyne cycloaddition (CuAAC).
• Bioconjugation & Probe Development: Used for labeling biomolecules (proteins, antibodies, nucleic acids) to create diagnostic probes and targeted drug delivery systems.
• Polymer & Materials Science: Serves as a functional monomer or cross-linking agent for creating advanced polymers with specific thermal or mechanical properties.
• Agrochemical Research: Intermediate in the development of new herbicides, fungicides, and plant growth regulators.
• Chemical Biology Tool: Enables site-specific modification of proteins and other cellular components for mechanistic studies.
• Ligand & Catalyst Synthesis: Building block for constructing complex chelating ligands and organometallic catalysts.

Basic Information

Item	Details
Product Name	4-Azido-3-Chlorobenzyl Bromide
CAS No.	193887-70-6
Molecular Formula	C7H5BrClN3
Molecular Weight	246.49 g/mol
Synonyms	3-Chloro-4-azidobenzyl Bromide; 1-(Azidomethyl)-2-chloro-4-bromomethylbenzene; (3-Chloro-4-azidophenyl)methyl Bromide; 4-Azido-3-chloro-α-bromotoluene; α-Bromo-3-chloro-4-azidotoluene; Azidomethyl 3-Chloro-4-bromobenzyl Ether (incorrect but common alias); 4-(Bromomethyl)-2-chlorophenyl Azide
EINECS	Contact for details

Quality Control

Every batch of 4-Azido-3-Chlorobenzyl Bromide is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your critical research and development. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, supporting compliance with internal and regulatory standards. Our commitment to quality assurance ensures you receive a product that meets the exacting demands of synthetic chemistry applications.

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). This compound is light-sensitive (store away from light). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light yellow to amber crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥95% (Typical 97-99%)
Water Content (KF)	≤0.5%
Residual Solvents (GC)	Meets ICH guidelines

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