Description

3-Cyclopentene-1-Carboxylicacid,1-Amino-,Ethylester(9Ci) is a specialized amino acid ester derivative that serves as a valuable chiral building block and intermediate in advanced organic synthesis. Its unique cyclopentene backbone and functionalized amino acid ester group make it a critical precursor for constructing complex molecular architectures. This compound is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, including protease inhibitors and other small molecule drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural features can contribute to biological activity.
• Fine Chemical Production: Serves as a versatile building block in the synthesis of complex flavors, fragrances, and specialty materials.
• Academic & Industrial Research: Employed in methodological studies and as a model compound in catalysis and asymmetric synthesis research.
• Peptidomimetics Development: Its amino acid ester functionality makes it suitable for creating peptide analogs and mimetics in drug discovery.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylicacid,1-Amino-,Ethylester(9Ci)
CAS No.	199532-88-2
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	Ethyl 1-Amino-3-cyclopentene-1-carboxylate; 1-Amino-3-cyclopentene-1-carboxylic Acid Ethyl Ester; 3-Cyclopentene-1-carboxylic acid, 1-amino-, ethyl ester; Ethyl 1-amino-3-cyclopentenecarboxylate; 1-Amino-3-cyclopentenecarboxylic acid ethyl ester; (1-Amino-3-cyclopenten-1-yl)carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of 3-Cyclopentene-1-Carboxylicacid,1-Amino-,Ethylester(9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting identity, purity, and impurity profiles. We support cGMP-compliant manufacturing for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect stability and purity. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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