Description

Methyl (1S,4R)-4-Amino-2-Cyclopentene-1-Carboxylate is a high-purity chiral building block of significant importance in advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecules with precise stereochemistry, which is critical for developing active pharmaceutical ingredients (APIs) and other fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in asymmetric synthesis and medicinal chemistry.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of carbocyclic nucleoside analogs and other potent antiviral or anticancer agents.
• Asymmetric Synthesis: Used as a starting material or building block in stereoselective reactions to create complex, single-enantiomer molecules.
• Medicinal Chemistry Research: Employed in drug discovery programs for the design and development of new chemical entities targeting various diseases.
• Agrochemical Synthesis: Serves as an intermediate in the production of chiral pesticides and herbicides with enhanced efficacy and selectivity.
• Catalyst and Ligand Development: Utilized in the preparation of novel chiral catalysts and ligands for homogeneous catalysis.
• Academic & Process R&D: A valuable reagent for methodological studies in organic chemistry and for scaling up synthetic routes in process development.

Basic Information

Product Name	Methyl (1S,4R)-4-Amino-2-Cyclopentene-1-Carboxylate
CAS No.	138923-03-2
Molecular Formula	C7H11NO2
Molecular Weight	141.17 g/mol
Synonyms	(1S,4R)-4-Amino-2-cyclopentene-1-carboxylic acid methyl ester; Methyl (1S,4R)-4-amino-2-cyclopentene-1-carboxylate; (1S,4R)-Methyl 4-amino-2-cyclopentene-1-carboxylate; (-)-Methyl (1S,4R)-4-amino-2-cyclopentene-1-carboxylate; (1S,4R)-4-Amino-2-cyclopentene-1-carboxylic acid methyl ester; 2-Cyclopentene-1-carboxylic acid, 4-amino-, methyl ester, (1S,4R)-; Methyl 4-amino-2-cyclopentene-1-carboxylate (enantiomer)
EINECS	Contact for details

Quality Control

Our Methyl (1S,4R)-4-Amino-2-Cyclopentene-1-Carboxylate is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure compliance with exacting standards for research and production use. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	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.