Description

1(2H)-Pentalenone,4-Acetyl-5-Ethylhexahydro-3A-Hydroxy-6A-Methyl-,(3Ar,4R,5S,6Ar)-Rel-(9Ci) is a complex, stereochemically defined organic compound belonging to the pentalenone class. This high-purity chemical intermediate is valued for its unique polycyclic structure and functional groups, which make it a versatile building block for advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals. The compound is supplied with a CAS registry number of 690660-73-2.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly for complex small-molecule therapeutics.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity.
• Organic Synthesis Research: Acts as a sophisticated building block for academic and industrial research into new organic reactions and methodologies.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, flavors, and fragrances requiring high structural precision.
• Material Science Precursor: Potential use in the synthesis of organic ligands or complex monomers for advanced polymeric materials.

Basic Information

Product Name	1(2H)-Pentalenone,4-Acetyl-5-Ethylhexahydro-3A-Hydroxy-6A-Methyl-,(3Ar,4R,5S,6Ar)-Rel-(9Ci)
CAS No.	690660-73-2
Molecular Formula	C14H22O3
Molecular Weight	238.32 g/mol
Synonyms	4-Acetyl-5-ethylhexahydro-3a-hydroxy-6a-methyl-1(2H)-pentalenone, (3aR,4R,5S,6aR)-rel-; rel-(3aR,4R,5S,6aR)-4-Acetyl-5-ethylhexahydro-3a-hydroxy-6a-methyl-1(2H)-pentalenone; 1(2H)-Pentalenone, 4-acetyl-5-ethylhexahydro-3a-hydroxy-6a-methyl-, (3aR,4R,5S,6aR)-rel-; 690660-73-2; Pentalenone derivative; Chiral pentalenone intermediate.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Each batch is characterized and tested to ensure identity, purity, and stereochemical integrity, with specifications typically covering appearance, identification (IR, NMR), assay (by HPLC), chiral purity, and related substances. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
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.