Description

(4S,4Aβ,7Aβ)-4β,7β-Dimethyloctahydrocyclopenta[C]Pyran-3-One CAS NO 573-94-4 is a high-purity, specialized chiral lactone compound with a complex fused-ring structure. This molecule serves as a critical advanced pharmaceutical intermediate (API) and a versatile chiral building block for synthesizing complex organic molecules. It is essential for research and production in the pharmaceutical and fine chemical industries, where its defined stereochemistry enables the creation of targeted, high-value compounds.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of complex drug molecules, particularly those requiring specific stereochemical configurations for biological activity.
• Asymmetric Synthesis: Used as a chiral auxiliary or building block in catalytic and stoichiometric asymmetric reactions to induce desired stereochemistry.
• Fragrance & Flavor Chemistry: Serves as a starting material for creating sophisticated musk-like or woody odorants due to its complex bicyclic structure.
• Agrochemical Research: Employed in the development of novel, stereochemically-defined active ingredients for crop protection.
• Material Science: Investigated as a monomer or modifier for producing specialized polymers with unique thermal or mechanical properties.
• Academic & R&D: A valuable compound for methodological studies in organic synthesis, total synthesis of natural products, and catalysis research.

Basic Information

Product Name	(4S,4Aβ,7Aβ)-4β,7β-Dimethyloctahydrocyclopenta[C]Pyran-3-One
CAS No.	573-94-4
Molecular Formula	C₁₀H₁₆O₂
Molecular Weight	168.23 g/mol
Synonyms	4β,7β-Dimethyloctahydrocyclopenta[c]pyran-3-one; (4S,4aβ,7aβ)-4,7-Dimethylhexahydro-1H-cyclopenta[c]pyran-3(4H)-one; 4,7-Dimethyloctahydrocyclopenta[c]pyran-3-one; Lactone of 4,7-Dimethyloctahydrocyclopenta[c]pyran-3-ol; Dihydroambrettolide (isomer); Cyclopenta[c]pyran-3-one derivative; Musk lactone intermediate
EINECS	Contact for details

Quality Control

Our production of (4S,4Aβ,7Aβ)-4β,7β-Dimethyloctahydrocyclopenta[C]Pyran-3-One adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the exacting standards required for pharmaceutical and advanced synthetic applications. Certificates of Analysis (COA) with full traceability are provided for every shipment.

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). The container should be kept tightly sealed when not in use to maintain quality and prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 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.