Description

Cyclopentanecarboxylic Acid, 2-Hydroxy-1-Methyl-, Methyl Ester, (1R-Trans)- is a high-value, stereochemically defined chiral building block. This compound matters for its role as a critical intermediate in the synthesis of complex, biologically active molecules, offering precise control over the three-dimensional architecture of the final product. It is primarily needed by research and development teams, process chemists, and manufacturers in the pharmaceutical and agrochemical industries for creating advanced active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of prostaglandins, antiviral agents, and other active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where the stereoisomeric form impacts biological activity.
• Fine Chemical Production: Serves as a versatile building block in custom synthesis and the manufacture of specialty chemicals for various high-tech applications.
• Asymmetric Catalysis Research: Employed as a standard or substrate in methodological development for new stereoselective reactions.
• Fragrance and Flavor Chemistry: Potential use in the synthesis of specific, high-value odorants or flavor compounds due to its constrained cyclopentane structure.

Basic Information

Item	Detail
Product Name	Cyclopentanecarboxylic Acid, 2-Hydroxy-1-Methyl-, Methyl Ester, (1R-Trans)-
CAS No.	172825-21-7
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	(1R,2S)-2-Hydroxy-1-methylcyclopentanecarboxylic acid methyl ester; Methyl (1R,2S)-2-hydroxy-1-methylcyclopentanecarboxylate; (1R-trans)-2-Hydroxy-1-methylcyclopentanecarboxylic acid methyl ester; trans-2-Hydroxy-1-methylcyclopentanecarboxylic acid methyl ester; Chiral cyclopentane ester; Methyl 2-hydroxy-1-methylcyclopentanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2-Hydroxy-1-Methyl-, Methyl Ester, (1R-Trans)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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