Description

Cyclopentanecarboxylic Acid, 1-Ethenyl-2-(Hydroxyimino)-, Ethyl Ester, (1R)- is a high-purity, chiral organic compound with significant utility in advanced chemical synthesis. This specialized intermediate is valued for its unique stereochemistry and functional groups, which enable the construction of complex molecular architectures. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its specific stereochemistry for targeted activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of complex flavors, fragrances, and other specialty chemicals.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis, asymmetric catalysis, and process chemistry.
• Material Science: Potential monomer or intermediate for creating specialized polymers with unique properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 1-Ethenyl-2-(Hydroxyimino)-, Ethyl Ester, (1R)-
CAS No.	335260-40-7
Molecular Formula	C10H15NO3
Molecular Weight	197.23 g/mol
Synonyms	(1R)-1-Ethenyl-2-(hydroxyimino)cyclopentanecarboxylic acid ethyl ester; (R)-1-Vinyl-2-(hydroxyimino)cyclopentanecarboxylic acid ethyl ester; Ethyl (1R)-1-ethenyl-2-(hydroxyimino)cyclopentanecarboxylate; (R)-Ethyl 1-vinyl-2-(hydroxyimino)cyclopentane-1-carboxylate; (1R)-1-Ethenyl-2-(hydroxyimino)cyclopentanecarboxylic acid ethyl ester; CAS 335260-40-7
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarboxylic Acid, 1-Ethenyl-2-(Hydroxyimino)-, Ethyl Ester, (1R)- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the exacting standards required for research and commercial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% 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.