Description

3-Cyclopentene-1-Carboxylicacid,2-Amino-,Methylester,(1R,2S)-Rel-(9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its core value lies in its functionalized cyclopentene scaffold, which serves as a versatile precursor for constructing complex, biologically active molecules with precise three-dimensional architecture. This compound is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for applications such as medicinal chemistry, process development, and the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in central nervous system (CNS) and antiviral drug candidates.
• Agrochemical Synthesis: Used in the construction of advanced, stereoselective pesticides and herbicides where specific chirality impacts biological activity.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development of new catalytic systems for stereoselective transformations.
• Medicinal Chemistry & SAR Studies: Employed to explore structure-activity relationships by introducing the constrained cyclopentene core into lead compounds.
• Process Chemistry Development: Utilized in scaling up synthetic routes for active pharmaceutical ingredients (APIs) requiring this specific chiral motif.
• Academic & Institutional Research: A valuable reagent for synthetic methodology development and the total synthesis of natural products.

Basic Information

Product Name	3-Cyclopentene-1-Carboxylicacid,2-Amino-,Methylester,(1R,2S)-Rel-(9Ci)
CAS No.	502764-86-5
Molecular Formula	C7H11NO2
Molecular Weight	141.17 g/mol
Synonyms	(1R,2S)-rel-2-Amino-3-cyclopentene-1-carboxylic acid methyl ester; Methyl (1R,2S)-rel-2-amino-3-cyclopentene-1-carboxylate; 2-Amino-3-cyclopentene-1-carboxylic acid methyl ester, (1R,2S)-rel-; (1R,2S)-rel-Methyl 2-amino-3-cyclopentene-1-carboxylate; 3-Cyclopentene-1-carboxylic acid, 2-amino-, methyl ester, (1R,2S)-rel-; (1R,2S)-rel-2-Aminocyclopent-3-ene-1-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including HPLC, chiral chromatography, and NMR to confirm identity, stereochemical purity (enantiomeric excess), and chemical purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
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.