Description

Bicyclo[2.2.1]Hept-2-Ene-7-Carboxaldehyde, 5-Acetyl-, (Endo,Syn)- (9Ci) is a high-value, stereochemically defined bicyclic aldehyde building block, identified by CAS NO 188717-57-9. Its unique fused-ring structure with both aldehyde and ketone functionalities makes it a critical intermediate for synthesizing complex molecules with precise three-dimensional architecture. This compound is essential for R&D and production in advanced pharmaceutical chemistry, agrochemical development, and materials science, where its defined stereochemistry enables the creation of novel, high-performance compounds.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in central nervous system (CNS) and antiviral drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its bicyclic framework contributes to unique biological activity.
• Ligand and Catalyst Development: Acts as a precursor for sophisticated chiral ligands and organocatalysts used in asymmetric synthesis.
• Advanced Material Research: Employed in the synthesis of specialty polymers and functional organic materials with specific optical or electronic properties.
• Flavor & Fragrance Chemistry: Utilized as a building block for creating complex, naturally-derived odorant and flavorant molecules.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis and exploring new chemical spaces in discovery chemistry.

Basic Information

Product Name	Bicyclo[2.2.1]Hept-2-Ene-7-Carboxaldehyde, 5-Acetyl-, (Endo,Syn)- (9Ci)
CAS No.	188717-57-9
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	5-Acetylbicyclo[2.2.1]hept-2-ene-7-carboxaldehyde, endo,syn-; (1S,2R,4R)-5-Acetylbicyclo[2.2.1]hept-2-ene-2-carboxaldehyde; 5-Acetyl-2-norbornene-7-carboxaldehyde; endo-5-Acetyl-2-norbornene-7-carboxaldehyde; Bicyclo[2.2.1]hept-2-ene-7-carboxaldehyde, 5-acetyl-, (1S,2R,4R)-; 188717-57-9; (1S,2R,4R)-5-Acetyl-2-norbornene-7-carboxaldehyde
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-2-Ene-7-Carboxaldehyde, 5-Acetyl-, (Endo,Syn)- (9Ci) is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure high chemical and isomeric purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 and oxidative degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0% (Area %)
Chiral Purity (Chiral HPLC)	≥ 98.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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