Description

1,2,4-Methenopentalene-5-Carboxaldehyde, Octahydro-, [1S-(1Alpha,2Alpha,3Abeta,4Alpha,5Beta,6Abeta)]- (9Ci) is a specialized chiral aldehyde building block of significant interest in advanced organic synthesis. Its unique, rigid polycyclic structure makes it a valuable precursor for constructing complex molecular architectures with precise stereochemistry. This high-purity intermediate is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in areas requiring complex, stereodefined carbon frameworks.
• Agrochemical Synthesis: Used in the creation of advanced, biologically active molecules for crop protection and pest management products.
• Asymmetric Catalysis Research: Serves as a sophisticated substrate or ligand precursor in the development of new catalytic methodologies.
• Fine Chemical Production: Employed in the multistep synthesis of specialty chemicals, flavors, and fragrances where its specific stereochemistry is critical.
• Material Science Research: Potential building block for novel organic materials and polymers with tailored properties.
• Academic & Industrial R&D: A valuable compound for methodological studies and exploring new chemical space in synthetic organic chemistry.

Basic Information

Item	Details
Product Name	1,2,4-Methenopentalene-5-Carboxaldehyde, Octahydro-, [1S-(1Alpha,2Alpha,3Abeta,4Alpha,5Beta,6Abeta)]- (9Ci)
CAS No.	144940-35-2
Molecular Formula	C11H14O
Molecular Weight	162.23 g/mol
Synonyms	(1S,2S,3aR,4S,5R,6aR)-Octahydro-1,2,4-methenopentalene-5-carboxaldehyde; (1S,2S,3aR,4S,5R,6aR)-Octahydro-1,2,4-methanopentalene-5-carbaldehyde; (1S,2S,3aR,4S,5R,6aR)-Octahydro-1,2,4-methanocyclopenta[cd]pentalene-5-carboxaldehyde; (1S,2S,3aR,4S,5R,6aR)-Octahydro-1,2,4-methanopentalene-5-carboxaldehyde; (1S,2S,3aR,4S,5R,6aR)-1,2,4-Methenopentalene-5-carboxaldehyde, octahydro-; Octahydro-1,2,4-methenopentalene-5-carboxaldehyde, (1S,2S,3aR,4S,5R,6aR)-
EINECS	Contact for details

Quality Control

Our production of 1,2,4-Methenopentalene-5-Carboxaldehyde, Octahydro-, [1S-(1Alpha,2Alpha,3Abeta,4Alpha,5Beta,6Abeta)]- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical characterization, including chiral purity verification, to ensure it meets the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

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 a controlled room temperature (15-25°C). Due to its sensitivity, the container should be kept sealed and allowed to reach ambient temperature before opening to minimize moisture ingress and oxidative degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC/GC)	≥ 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.