Description

Bicyclo[2.2.1]Hept-1-Ene, 4,5-Dichloro- (9Ci) is a specialized chlorinated bicyclic olefin, a high-value intermediate in advanced organic synthesis. This compound matters for its unique structural framework, which is pivotal in constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and advanced material precursors where precise stereochemistry and functionalization are critical.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing novel drug candidates, especially those with complex polycyclic or bridged ring systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with specific activity profiles.
• Material Science Research: Serves as a precursor for developing specialty polymers, resins, or ligands with tailored thermal and chemical properties.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to introduce the norbornene core functionalized with chlorine handles for further modification.
• Catalyst Ligand Development: Utilized in the creation of novel chiral or sterically hindered ligands for asymmetric catalysis.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of high-value flavors, fragrances, and other performance chemicals.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-1-Ene, 4,5-Dichloro- (9Ci)
CAS No.	343927-83-3
Molecular Formula	C7H8Cl2
Molecular Weight	163.04 g/mol
Synonyms	4,5-Dichloronorbornene; 4,5-Dichlorobicyclo[2.2.1]hept-2-ene; 1,4-Dichloro-2,5-dihydro-1,4-methanonaphthalene (related isomer); Norbornene, 4,5-dichloro-; Bicyclo[2.2.1]hept-2-ene, 4,5-dichloro-; 4,5-Dichloro-2-norbornene
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-1-Ene, 4,5-Dichloro- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific batch results are provided and confirm compliance with agreed specifications for research and commercial use.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or compatible light-blocking material.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Standard Grade)
Water Content (KF)	≤ 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.