Description

3-Amino-Cyclopentanecarboxylic Acid Ethyl Ester is a versatile chiral building block and protected amino acid derivative of significant importance in advanced organic synthesis. Its constrained cyclopentane backbone and functionalized amine and ester groups make it a critical intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), peptidomimetics, and other fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new therapeutic agents, particularly for central nervous system (CNS) and metabolic disease targets.
• Peptidomimetics & Constrained Peptide Synthesis: Used to introduce conformational rigidity into peptide chains, enhancing stability and biological activity for drug discovery.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for synthesizing chiral ligands and organocatalysts used in enantioselective transformations.
• Agrochemical Research: Employed in the synthesis of novel, biologically active compounds for crop protection and pest management.
• Academic & Process Chemistry: Utilized in methodological studies and scale-up processes for complex organic molecule construction.
• Custom Synthesis & Contract Manufacturing: A valuable starting point for custom chemical synthesis services targeting specialized, high-value compounds.

Basic Information

Product Name	3-Amino-Cyclopentanecarboxylic Acid Ethyl Ester
CAS No.	1187930-91-1
Molecular Formula	C8H15NO2
Molecular Weight	157.21 g/mol
Synonyms	Ethyl 3-Aminocyclopentanecarboxylate; 3-Amino-1-cyclopentanecarboxylic Acid Ethyl Ester; 3-Aminocyclopentane-1-carboxylic Acid Ethyl Ester; 1-Carbethoxy-3-aminocyclopentane; (3-Aminocyclopentyl)carboxylic Acid Ethyl Ester; 3-Amino-cyclopentanecarboxylic acid ethyl ester; Ethyl 3-aminocyclopentane-1-carboxylate
EINECS	Contact for details

Quality Control

Our 3-Amino-Cyclopentanecarboxylic Acid Ethyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for pharmaceutical research and fine chemical synthesis. A detailed Certificate of Analysis (COA) providing purity, identity, and impurity profile is supplied with every shipment.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if possible to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (Typical)
Water Content (KF)	≤ 1.0%

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