Description

Cyclopenta[C]Pyran-1(3H)-One, 3-Ethoxyhexahydro-7-Hydroxy-7-Methyl-, [3S-(3Alpha,4Aalpha,7Alpha,7Aalpha)]- (9Ci) is a high-purity, stereochemically defined organic compound of significant interest in advanced chemical synthesis. This molecule serves as a versatile chiral building block and key intermediate for the development of complex, biologically active molecules. It is primarily sought after by pharmaceutical R&D and fine chemical industries for its potential in creating novel therapeutic agents and specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures.
• Asymmetric Synthesis: Utilized as a key starting material or intermediate in stereoselective synthesis to construct molecules with high enantiomeric purity.
• Medicinal Chemistry Research: Employed in lead optimization and structure-activity relationship (SAR) studies to explore new chemical entities for drug discovery programs.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, including advanced fragrances, flavors, and agrochemical precursors that require specific stereochemistry.
• Academic & Industrial R&D: Serves as a valuable compound for methodological development in organic chemistry and catalysis research within university and corporate laboratories.

Basic Information

Product Name	Cyclopenta[C]Pyran-1(3H)-One, 3-Ethoxyhexahydro-7-Hydroxy-7-Methyl-, [3S-(3Alpha,4Aalpha,7Alpha,7Aalpha)]- (9Ci)
CAS No.	175889-15-3
Molecular Formula	C11H18O4
Molecular Weight	214.26 g/mol
Synonyms	3-Ethoxyhexahydro-7-hydroxy-7-methyl-cyclopenta[c]pyran-1(3H)-one; (3S,3aS,4aR,7S,7aR)-3-Ethoxyhexahydro-7-hydroxy-7-methyl-1H-cyclopenta[c]pyran-1-one; 1H-Cyclopenta[c]pyran-1-one, 3-ethoxyhexahydro-7-hydroxy-7-methyl-, (3S,3aS,4aR,7S,7aR)-; A chiral cyclopentapyranone derivative; Contact for further synonyms.
EINECS	Contact for details

Quality Control

Our Cyclopenta[C]Pyran-1(3H)-One, 3-Ethoxyhexahydro-7-Hydroxy-7-Methyl-, [3S-(3Alpha,4Aalpha,7Alpha,7Aalpha)]- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), enantiomeric excess, and impurity profiles are provided and available upon request to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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