Description

Cyclopentanecarboxylic Acid, 3-Hydroxy-, Methyl Ester, (1S-Trans)- (9Ci) is a high-purity, stereochemically defined chiral building block. This compound matters as a critical intermediate in the synthesis of complex pharmaceutical molecules and fine chemicals, offering precise control over the final product's stereochemistry. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of prostaglandin analogs, antiviral agents, and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is required for optimal biological activity.
• Asymmetric Catalysis: Serves as a precursor or ligand in the development of chiral catalysts for stereoselective chemical transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances that require high enantiomeric purity.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis and medicinal chemistry programs.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Hydroxy-, Methyl Ester, (1S-Trans)- (9Ci)
CAS No.	174292-58-1
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	(1S,3R)-3-Hydroxycyclopentanecarboxylic acid methyl ester; Methyl (1S,3R)-3-hydroxycyclopentanecarboxylate; (1S,3R)-Methyl 3-hydroxycyclopentanecarboxylate; trans-(1S,3R)-Methyl 3-hydroxycyclopentanecarboxylate; (1S,3R)-3-Hydroxycyclopentane-1-carboxylic acid methyl ester; Chiral cyclopentane ester; 3-Hydroxycyclopentanecarboxylic acid methyl ester (trans-1S,3R- isomer)
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 3-Hydroxy-, Methyl Ester, (1S-Trans)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.