Description

Cyclopentanecarboxylic Acid, 3-Hydroxy-2-Methyl-, Methyl Ester, (1Alpha,2Beta,3Alpha)- is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its precise stereochemistry and functional groups make it a valuable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies for the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new therapeutic agents, particularly for complex, stereospecific drug molecules.
• Asymmetric Synthesis: Utilized as a building block in catalytic asymmetric reactions to introduce specific stereocenters into target molecules.
• Natural Product Synthesis: Serves as a precursor in the total synthesis of natural products with cyclopentane or modified sugar ring structures.
• Agrochemical Research: Used in the development of novel, high-efficacy pesticides and herbicides where specific stereochemistry impacts biological activity.
• Flavor & Fragrance Chemistry: Acts as an intermediate for creating sophisticated aroma chemicals and flavor compounds with specific olfactory profiles.
• Material Science Research: Investigated as a monomer or precursor for synthesizing specialized polymers with unique thermal or mechanical properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Hydroxy-2-Methyl-, Methyl Ester, (1Alpha,2Beta,3Alpha)-
CAS No.	170422-97-6
Molecular Formula	C9H16O3
Molecular Weight	172.22 g/mol
Synonyms	(1α,2β,3α)-3-Hydroxy-2-methylcyclopentanecarboxylic acid methyl ester; Methyl (1α,2β,3α)-3-hydroxy-2-methylcyclopentanecarboxylate; 3-Hydroxy-2-methylcyclopentanecarboxylic acid methyl ester (1α,2β,3α)-; (1R,2S,3R)-3-Hydroxy-2-methylcyclopentanecarboxylic acid methyl ester; Methyl (1R,2S,3R)-3-hydroxy-2-methylcyclopentanecarboxylate; 2-Methyl-3-hydroxycyclopentanecarboxylic acid methyl ester; Chiral cyclopentane ester intermediate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with a typical purity of ≥97% (by HPLC), with specifications tailored for research and development use. Certificates of Analysis (COA) detailing identity, purity, and chiral purity are available upon request. Our quality management system supports the needs of cGMP-compliant pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if necessary to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Chiral Purity (Chiral HPLC)	≥98.0% de
Water Content (KF)	≤0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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