Description

Cyclopentanecarboxylic Acid, 2-Cyano-2-Hydroxy-, Propyl Ester, (1R,2S)- (9Ci) is a high-value, stereochemically defined chiral intermediate. This compound matters for its role in the synthesis of complex, biologically active molecules, offering a critical building block for precise molecular construction. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel therapeutics, agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and antiviral drugs.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides for enhanced efficacy and environmental safety.
• 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 requiring high stereochemical purity.
• Academic & Industrial Research: A valuable tool for synthetic organic chemists exploring new reaction methodologies and complex natural product synthesis.
• Material Science: Potential monomer or intermediate for creating specialized polymers with unique optical or mechanical properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-Cyano-2-Hydroxy-, Propyl Ester, (1R,2S)- (9Ci)
CAS No.	834886-23-6
Molecular Formula	C10H15NO3
Molecular Weight	197.23 g/mol
Synonyms	(1R,2S)-2-Cyano-2-hydroxycyclopentanecarboxylic acid propyl ester; (1R,2S)-2-Hydroxy-2-cyanocyclopentanecarboxylic acid propyl ester; Propyl (1R,2S)-2-cyano-2-hydroxycyclopentanecarboxylate; (1R,2S)-CHCPE; (1R,2S)-rel-2-Cyano-2-hydroxycyclopentanecarboxylic Acid Propyl Ester; (1R,2S)-Cyclopentanecarboxylic acid, 2-cyano-2-hydroxy-, propyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide Certificates of Analysis (COA) for every batch, detailing key parameters such as chiral purity, chemical purity, and identity. Our quality system is designed to meet the stringent requirements of GMP and ISO guidelines for advanced chemical intermediates.

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). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
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.