Description

Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxaldehyde, [1S-(2-Endo,3-Exo)]- (9Ci) is a high-purity, stereochemically defined bicyclic dialdehyde building block, essential for advanced organic synthesis. Its rigid norbornene framework and reactive aldehyde groups make it a versatile chiral precursor for constructing complex molecular architectures with precise spatial orientation. This compound is critically needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where the specific stereochemistry influences biological activity and environmental profile.
• Ligand and Catalyst Development: Serves as a core structure for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Polymer & Material Science: Acts as a cross-linking agent or monomer for producing specialty polymers with tailored thermal and mechanical properties, such as epoxy resins and high-performance coatings.
• Academic & Industrial Research: A valuable tool for methodological development in organic chemistry, including studies on Diels-Alder reactions and stereoselective transformations.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance and flavor molecules requiring specific isomeric purity.

Basic Information

Item	Details
Product Name	Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxaldehyde, [1S-(2-Endo,3-Exo)]- (9Ci)
CAS No.	138752-95-1
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	(1S,2R,3S,4R)-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxaldehyde; (1S)-endo,exo-Bicyclo[2.2.1]hept-5-ene-2,3-dicarbaldehyde; (1S,2R,3S,4R)-Norborn-5-ene-2,3-dicarbaldehyde; Chiral Norbornene Dialdehyde; (1S)-(2-endo,3-exo)-5-Norbornene-2,3-dicarboxaldehyde; endo,exo-5-Norbornene-2,3-dicarbaldehyde (enantiomer); Stereoisomer of 5-Norbornene-2,3-dicarboxaldehyde
EINECS	Contact for details

Quality Control

Every batch of our Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxaldehyde is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, GC, chiral analysis, and NMR to ensure identity, purity, and stereochemical integrity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic data and spectroscopic confirmation are available upon request.

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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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