Description

(1R,4As,7S,7Ar)-Hexahydro-4,7-Dimethylcyclopenta[C]Pyran-1-Ol is a high-purity, stereochemically defined organic compound with the CAS number 109215-55-6. This specialized chemical serves as a valuable chiral intermediate and building block in advanced organic synthesis, prized for its unique fused bicyclic structure. It is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create novel, high-value molecules with specific stereochemical configurations.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex stereochemistry.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides where specific stereoisomers exhibit enhanced biological activity.
• Fine Chemical Manufacturing: Serves as a sophisticated building block for synthesizing fragrances, flavors, and other specialty chemicals with precise structural requirements.
• Academic & Industrial Research: A valuable tool for methodological studies in asymmetric synthesis, catalysis, and the exploration of new chemical spaces.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or liquid crystals where the rigid, chiral core structure can impart desired material properties.

Basic Information

Product Name	(1R,4As,7S,7Ar)-Hexahydro-4,7-Dimethylcyclopenta[C]Pyran-1-Ol
CAS No.	109215-55-6
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	Hexahydro-4,7-dimethylcyclopenta[c]pyran-1-ol, (1R,4aS,7S,7aR)-; (1R,4aS,7S,7aR)-Hexahydro-4,7-dimethylcyclopenta[c]pyran-1-ol; (-)-cis-4,7-Dimethylhexahydrocyclopenta[c]pyran-1-ol; L-Menthone lactol; A stereoisomer of Menthone lactol; Chiral menthone lactol derivative; Cyclopenta[c]pyran-1-ol, hexahydro-4,7-dimethyl-, (1R,4aS,7S,7aR)-
EINECS	Contact for details

Quality Control

Our (1R,4As,7S,7Ar)-Hexahydro-4,7-Dimethylcyclopenta[C]Pyran-1-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and stereochemical integrity, meeting the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed chromatographic data (HPLC/GC) and spectroscopic confirmation are provided with 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). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.