Description

Bicyclo[2.2.1]Hept-2-Ene-2-Carbonyl Chloride (9Ci) is a highly reactive and versatile bicyclic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its unique strained norbornene structure and reactive carbonyl chloride group make it an indispensable reagent for constructing complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those requiring a rigid, bicyclic framework for enhanced biological activity and metabolic stability.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the norbornene core contributes to unique modes of action.
• Polymer Chemistry: Acts as a functional monomer or cross-linking agent for producing specialty polymers with tailored thermal and mechanical properties.
• Material Science Research: Employed in the creation of advanced organic materials, including liquid crystals and photo-responsive compounds.
• Organic Synthesis Reagent: Facilitates amide bond formation and other acylations under mild conditions, enabling efficient synthesis of complex natural products and fine chemicals.
• Ligand and Catalyst Development: Serves as a scaffold for constructing novel chiral ligands and organocatalysts used in asymmetric synthesis.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-2-Ene-2-Carbonyl Chloride (9Ci)
CAS No.	343629-30-1
Molecular Formula	C9H9ClO
Molecular Weight	168.62 g/mol
Synonyms	5-Norbornene-2-carbonyl chloride; Bicyclo[2.2.1]hept-5-ene-2-carbonyl chloride; 2-Norbornene-5-carbonyl chloride; 5-Norbornen-2-ylcarbonyl chloride; Norborn-5-ene-2-carbonyl chloride; 2-Carbonylchloridenorborn-5-ene; 5-Norbornenyl-2-carbonyl chloride
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-2-Ene-2-Carbonyl Chloride (9Ci) is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. All products undergo rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We adhere to cGMP standards where applicable to support our clients in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and moisture-sensitive nature, this compound should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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