Description

Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1R,2S,4R)-Rel- (9Ci) is a high-purity, chiral bicyclic aldehyde building block of significant interest in advanced organic synthesis. Its defined stereochemistry and reactive aldehyde group make it a versatile precursor for constructing complex molecular architectures with precise spatial orientation. This compound is primarily sought after by pharmaceutical and agrochemical research organizations for the development of novel active ingredients, as well as by specialty chemical manufacturers producing catalysts and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the research and development of novel, stereospecific pesticides and herbicides where the specific spatial configuration is critical for biological activity.
• Catalyst and Ligand Development: Serves as a precursor for creating sophisticated chiral ligands and organocatalysts used in asymmetric synthesis.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic and Industrial Research: A valuable tool for methodological development in organic chemistry, particularly in studies involving Diels-Alder reactions and subsequent functionalization.
• Material Science Precursor: Potential use in the synthesis of monomers for specialized polymers with unique thermal or mechanical properties.

Basic Information

Item	Details
Product Name	Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1R,2S,4R)-Rel- (9Ci)
CAS No.	136577-69-0
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	rel-(1R,2S,4R)-2-Ethylbicyclo[2.2.1]hept-5-ene-2-carboxaldehyde; 2-Ethyl-5-norbornene-2-carboxaldehyde; 2-Ethylbicyclo[2.2.1]hept-5-ene-2-carbaldehyde; 2-Ethyl-2-formyl-5-norbornene; Bicyclo[2.2.1]hept-5-ene-2-carboxaldehyde, 2-ethyl-, (1R,2S,4R)-rel-; 2-Ethyl-5-norbornene-2-carbaldehyde; (rel)-(1R,2S,4R)-2-Ethyl-2-norborn-5-enecarboxaldehyde
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1R,2S,4R)-Rel- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing including chiral purity analysis (HPLC/GC), identity confirmation (IR, NMR), and assay determination to ensure it meets exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. This compound is easily oxidized and light-sensitive; allow the container to reach ambient temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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