Description

Cyclopentanemethanol, -α--Methyl-, Propanoate, (R)- (9Ci) is a high-purity chiral ester building block of significant interest in advanced organic synthesis. Its defined stereochemistry and functionalized cyclopentane core make it a valuable intermediate for constructing complex molecular architectures. This compound is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for applications requiring precise stereochemical control.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of active pharmaceutical ingredients (APIs), particularly in therapeutic areas targeting the central nervous system or metabolic diseases.
• Asymmetric Synthesis: Used as a building block in stereoselective reactions to introduce the (R)-configured α-methyl cyclopentyl moiety into target molecules.
• Fragrance and Flavor Chemistry: Serves as a precursor for the synthesis of specialized aroma chemicals with unique olfactory properties derived from its modified cyclopentane structure.
• Ligand and Catalyst Development: Employed in the preparation of chiral ligands or organocatalysts for use in enantioselective transformations.
• Material Science Research: Investigated as a monomer or modifying agent for creating polymers with specific tacticity and physical properties.
• Agrochemical Synthesis: Potential intermediate in the development of chiral pesticides or plant growth regulators.

Basic Information

Product Name	Cyclopentanemethanol, -α--Methyl-, Propanoate, (R)- (9Ci)
CAS No.	138309-09-8
Molecular Formula	C10H18O2
Molecular Weight	170.25 g/mol
Synonyms	(R)-α-Methylcyclopentanemethanol propanoate; (R)-1-(Hydroxymethyl)-1-methylcyclopentane propionate; (1R)-1-Methyl-1-(hydroxymethyl)cyclopentyl propionate; (R)-1-Methyl-1-(hydroxymethyl)cyclopentyl propanoate; Propionic acid (1R)-1-methyl-1-(hydroxymethyl)cyclopentyl ester; (R)-MCPP; (R)-Cyclopentylmethyl, α-methyl-, propionate
EINECS	Contact for details

Quality Control

Our production of Cyclopentanemethanol, -α--Methyl-, Propanoate, (R)- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure compliance with exacting customer specifications. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided to guarantee traceability and support your regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage under an inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.