Description

Cyclopentanecarboxylic Acid, 1-Ethyl-2-(Hydroxyimino)-, Ethyl Ester, (1S,2E)- CAS NO 258834-15-0 is a high-purity, chiral organic compound featuring a cyclopentane core with strategically positioned functional groups. This molecule serves as a critical chiral building block and advanced intermediate in sophisticated synthetic pathways. It is primarily required by pharmaceutical R&D and fine chemical synthesis teams for the development of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates with complex stereochemistry.
• Agrochemical Synthesis: Used in the production of advanced, high-performance crop protection agents and herbicides requiring specific stereoisomers for optimal activity.
• Fine Chemical Manufacturing: Serves as a versatile building block for synthesizing specialty chemicals, flavors, fragrances, and other high-value compounds.
• Academic & Industrial Research: Employed in chemical research for methodological studies, catalyst development, and exploring new reaction pathways involving oxime and ester functionalities.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or organic electronic materials where the rigid cyclopentane structure is beneficial.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 1-Ethyl-2-(Hydroxyimino)-, Ethyl Ester, (1S,2E)-
CAS No.	258834-15-0
Molecular Formula	C10H17NO3
Molecular Weight	199.25 g/mol
Synonyms	(1S,2E)-1-Ethyl-2-(hydroxyimino)cyclopentanecarboxylic acid ethyl ester; Ethyl (1S,2E)-1-ethyl-2-(hydroxyimino)cyclopentanecarboxylate; (1S,2E)-1-Ethyl-2-(hydroxyimino)cyclopentane-1-carboxylic acid ethyl ester; (1S,2E)-Ethyl 1-ethyl-2-(hydroxyimino)cyclopentanecarboxylate; 1-Ethyl-2-(hydroxyimino)cyclopentanecarboxylic Acid Ethyl Ester, (1S,2E)-; (1S,2E)-1-Ethyl-2-(hydroxyimino)cyclopentane carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarboxylic Acid, 1-Ethyl-2-(Hydroxyimino)-, Ethyl Ester, (1S,2E)- adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure consistent identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. The container must be kept tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid 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.