Description

Bicyclo[2.2.1]Hept-5-Ene-2-Carbonyl Chloride, 3,5-Dimethyl-, (2-Exo,3-Endo)- (9Ci) is a highly reactive and versatile bicyclic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its unique sterically defined, multi-substituted norbornene structure makes it invaluable for constructing complex molecular architectures with precise stereochemistry. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty materials industries, where it is used to introduce functionalized bicyclic motifs into target molecules.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those requiring rigid, three-dimensional scaffolds to modulate biological activity and selectivity.
• Agrochemical Synthesis: Used in creating advanced herbicides, fungicides, and insecticides that benefit from the stability and unique spatial properties of the norbornene system.
• Polymer & Material Science: Acts as a functional monomer or cross-linking agent in the production of specialty polymers, resins, and advanced materials with tailored thermal and mechanical properties.
• Ligand & Catalyst Development: Serves as a precursor for chiral ligands and organometallic catalysts used in asymmetric synthesis.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and the exploration of new synthetic pathways.
• Fine Chemical Production: Employed in the multi-step synthesis of complex flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-5-Ene-2-Carbonyl Chloride, 3,5-Dimethyl-, (2-Exo,3-Endo)- (9Ci)
CAS No.	113283-38-8
Molecular Formula	C11H13ClO
Molecular Weight	196.67 g/mol
Synonyms	(2-Exo,3-Endo)-3,5-Dimethylbicyclo[2.2.1]hept-5-ene-2-carbonyl chloride; 3,5-Dimethyl-2-norbornenecarbonyl chloride (exo,endo); 2-Norbornene-2-carbonyl chloride, 3,5-dimethyl-, (2-exo,3-endo)-; 3,5-Dimethylbicyclo[2.2.1]hept-5-ene-2-carbonyl chloride; (1R,2S,3R,4S)-3,5-Dimethylbicyclo[2.2.1]hept-5-ene-2-carbonyl chloride
EINECS	Contact for details

Quality Control

Our production of Bicyclo[2.2.1]Hept-5-Ene-2-Carbonyl Chloride, 3,5-Dimethyl-, (2-Exo,3-Endo)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, NMR, and IR spectroscopy, to confirm identity, isomeric purity, and chemical integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C (refrigerated) or as specified on the label. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (GC/HPLC)	≥ 95.0% (2-exo,3-endo)
Water Content (KF)	≤ 0.5%

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