Description

Cyclopentanecarboxylic Acid, 2-Amino-3-Oxo-, Methyl Ester, trans- (9Ci) is a specialized chiral intermediate featuring a functionalized cyclopentane ring system. This compound is valued for its role as a key building block in the synthesis of complex, biologically active molecules, offering a defined stereocenter and multiple reactive sites for further chemical elaboration. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the creation of novel therapeutic agents and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders or metabolic diseases.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its structural motif can contribute to specific biological activity and selectivity.
• Asymmetric Catalysis Research: Employed as a substrate or ligand precursor in academic and industrial research focused on developing new stereoselective synthetic methodologies.
• Fine Chemical Production: Acts as a starting material for the synthesis of complex fragrance ingredients, flavors, or other high-value specialty chemicals requiring precise stereochemistry.
• Material Science Research: Investigated as a monomer or precursor for novel polymers with specific optical or mechanical properties derived from its rigid, functionalized structure.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-Amino-3-Oxo-, Methyl Ester, trans- (9Ci)
CAS No.	750544-68-4
Molecular Formula	C8H13NO3
Molecular Weight	171.19 g/mol
Synonyms	trans-2-Amino-3-oxocyclopentanecarboxylic acid methyl ester; Methyl (1R,2S)-2-amino-3-oxocyclopentanecarboxylate; Methyl trans-2-amino-3-oxocyclopentanecarboxylate; 2-Amino-3-oxocyclopentanecarboxylic acid methyl ester, trans-; (1R,2S)-2-Amino-3-oxocyclopentane-1-carboxylic acid methyl ester; trans-2-Amino-3-oxocyclopentane-1-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2-Amino-3-Oxo-, Methyl Ester, trans- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure high chemical and isomeric purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (trans-isomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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