Description

Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1S,2R,4S)- (9Ci) is a high-purity, chiral bicyclic aldehyde building block, identified by CAS number 154279-11-5. Its defined stereochemistry and reactive aldehyde group make it a critical intermediate for synthesizing complex, optically active molecules in advanced research and development. This compound is essential for chemists and manufacturers in the pharmaceutical and fine chemical industries who require precise molecular scaffolds for creating novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-viral therapies.
• Agrochemical Synthesis: Used in the development of advanced, stereospecific pesticides and herbicides where specific spatial orientation is crucial for biological activity.
• Fine Chemical Building Block: Employed in asymmetric synthesis to construct complex natural products and specialty chemicals with high enantiomeric purity.
• Ligand and Catalyst Development: Acts as a starting material for creating novel chiral ligands and organocatalysts used in stereoselective transformations.
• Material Science Research: Utilized in the development of advanced polymeric materials and liquid crystals where the rigid bicyclic structure imparts specific physical properties.

Basic Information

Item	Details
Product Name	Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1S,2R,4S)- (9Ci)
CAS No.	154279-11-5
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	(1S,2R,4S)-2-Ethylbicyclo[2.2.1]hept-5-ene-2-carboxaldehyde; 2-Ethyl-2-norbornene-5-carboxaldehyde, (1S,2R,4S)-; endo-2-Ethylbicyclo[2.2.1]hept-5-ene-2-carbaldehyde; (1S,2R,4S)-rel-2-Ethylbicyclo[2.2.1]hept-5-ene-2-carboxaldehyde; Bicyclo[2.2.1]hept-5-ene-2-carboxaldehyde, 2-ethyl-, (1S-endo)-; 2-Norbornene-2-carboxaldehyde, 2-ethyl-, (1S,2R,4S)-
EINECS	Contact for details

Quality Control

Our Bicyclo[2.2.1]Hept-5-Ene-2-Carboxaldehyde, 2-Ethyl-, (1S,2R,4S)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC and GC, to ensure high chemical and isomeric purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided 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) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain purity and stability.

Specification

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

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