Description

1,4-Ethano-5,8-Methanonaphthalene-10,11-Dione, 1,4,4A,5,8,8A-Hexahydro-, (1R,4S,4Ar,5R,8S,8As)-Rel- (9Ci) is a high-purity, stereochemically defined synthetic intermediate of significant interest in advanced organic synthesis. This compound matters as a sophisticated building block for constructing complex polycyclic frameworks, enabling the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of complex drug candidates, particularly those with bridged polycyclic structures.
• Agrochemical Research: Used in the development of novel pesticides and herbicides where specific stereochemistry impacts biological activity.
• Material Science: Acts as a monomer or building block for synthesizing advanced polymers and organic electronic materials with unique properties.
• Catalyst Ligand Synthesis: Employed in the preparation of sophisticated chiral ligands for asymmetric catalysis.
• Academic & R&D: A valuable tool for methodological studies in organic chemistry, including cycloaddition reactions and natural product synthesis.
• Fine Chemical Production: Used in the multi-step synthesis of high-value specialty chemicals and flavors/fragrances.

Basic Information

Product Name	1,4-Ethano-5,8-Methanonaphthalene-10,11-Dione, 1,4,4A,5,8,8A-Hexahydro-, (1R,4S,4Ar,5R,8S,8As)-Rel- (9Ci)
CAS No.	239077-92-0
Molecular Formula	C₁₃H₁₂O₂
Molecular Weight	200.23 g/mol
Synonyms	rel-(1R,4S,4aR,5R,8S,8aS)-1,4,4a,5,8,8a-Hexahydro-1,4:5,8-diepoxy-5,8-methanonaphthalene-9,10-dione; (1R,4S,4aR,5R,8S,8aS)-1,4,4a,5,8,8a-Hexahydro-1,4:5,8-diepoxy-5,8-methanonaphthalene-9,10-dione; 1,4:5,8-Diepoxy-1,4,4a,5,8,8a-hexahydro-5,8-methanonaphthalene-9,10-dione, rel-(1R,4S,4aR,5R,8S,8aS)-; Bridged Naphthoquinone Derivative; Hexahydro Methanonaphthalenedione
EINECS	Contact for details

Quality Control

Our 1,4-Ethano-5,8-Methanonaphthalene-10,11-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric purity and standard spectroscopic methods for structural confirmation, to ensure compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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