Description

Cyclopentanecarboxylic Acid, 1-Hydroxy-2-Methyl-5-(1-Methylethenyl)-, Methyl Ester, (1R,2R,5R)- (9Ci) is a high-purity, stereochemically defined chiral intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a sophisticated building block in the development of complex, biologically active molecules, offering precise control over molecular architecture. It is primarily needed by research institutions and pharmaceutical companies engaged in the synthesis of novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty fragrances.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides for enhanced efficacy.
• Fragrance & Flavor Chemistry: Serves as a precursor for complex odorants and flavor compounds requiring specific stereochemistry.
• Academic & Industrial R&D: A valuable reagent for methodological studies in asymmetric synthesis and catalysis.
• Fine Chemical Production: Employed in the manufacture of other high-value, specialty chemicals where stereochemical integrity is critical.

Basic Information

Item	Detail
Product Name	Cyclopentanecarboxylic Acid, 1-Hydroxy-2-Methyl-5-(1-Methylethenyl)-, Methyl Ester, (1R,2R,5R)- (9Ci)
CAS No.	619297-07-3
Molecular Formula	C11H18O3
Molecular Weight	198.26 g/mol
Synonyms	(1R,2R,5R)-1-Hydroxy-2-methyl-5-(prop-1-en-2-yl)cyclopentane-1-carboxylic acid methyl ester; (-)-Menthyl (1R,2R,5R)-1-Hydroxy-2-methyl-5-(1-methylethenyl)cyclopentanecarboxylate; (1R,2R,5R)-1-Hydroxy-2-methyl-5-isopropenylcyclopentane-1-carboxylic acid methyl ester; Methyl (1R,2R,5R)-1-hydroxy-2-methyl-5-(prop-1-en-2-yl)cyclopentane-1-carboxylate; A chiral cyclopentane derivative
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data including HPLC purity, chiral purity (enantiomeric excess), and structural confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing batch-specific results are available upon request. Production can adhere to cGMP guidelines for pharmaceutical applications as required.

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 strong bases and incompatible organic solvents. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
Water Content (KF)	≤ 0.5%

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