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 valuable precursor for constructing complex, three-dimensional molecular architectures. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for applications in asymmetric synthesis, chiral ligand development, and the creation of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in areas requiring stereochemical control.
• Asymmetric Catalyst & Ligand Synthesis: Serves as a foundational structure for developing new chiral ligands and organocatalysts used in enantioselective transformations.
• Agrochemical Research: Used in the synthesis of chiral compounds with potential biological activity for new crop protection agents.
• Fine Chemical & Specialty Material Production: Employed in the synthesis of complex fragrance molecules, flavors, and advanced materials where its rigid bicyclic framework is advantageous.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, exploring new cycloaddition reactions and synthetic pathways.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1R,2S,4R)-Rel-(+)- (9Ci)
CAS No.	374633-09-7
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	(1R,2S,4R)-rel-(+)-2-Ethylbicyclo[2.2.1]hept-5-ene-2-carboxaldehyde; (+)-2-Ethyl-5-norbornene-2-carboxaldehyde; 2-Ethyl-2,5-norbornadienecarboxaldehyde; 2-Ethylbicyclo[2.2.1]hept-5-ene-2-carbaldehyde; Bicyclo[2.2.1]hept-5-ene-2-carboxaldehyde, 2-ethyl-, (1R,2S,4R)-rel-(+)-; (1R,2S,4R)-rel-2-Ethyl-5-norbornene-2-carboxaldehyde
EINECS	Contact for details

Quality Control

Our production of this chiral building block adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot is characterized using advanced analytical techniques including chiral HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, chiral excess, and impurity profile is provided with every shipment to support your quality assurance and regulatory documentation needs.

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 room temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
Water Content (KF)	≤ 0.5%

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