Description

Cyclopentaneacetic Acid, -α--Amino-1-Fluoro-, Methyl Ester (9Ci) is a specialized fluorinated amino acid ester derivative, serving as a high-value building block in advanced organic synthesis. This compound is critical for researchers and manufacturers requiring precise molecular scaffolds to introduce both fluorine and protected amino functionalities. It is primarily utilized by the pharmaceutical and agrochemical industries for the development of novel active ingredients, where its unique structure enables the fine-tuning of biological activity and metabolic stability.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of fluorinated drug candidates, including protease inhibitors and CNS-active compounds.
• Agrochemical Synthesis: Used in creating advanced fluorinated pesticides and herbicides, where the fluorine atom enhances lipophilicity and target binding.
• Peptidomimetics Research: Serves as a non-natural amino acid analog in the design of peptide mimics with improved stability and bioavailability.
• Chemical Biology Probes: Employed in the synthesis of labeled compounds and molecular probes for studying enzyme mechanisms and biological pathways.
• Material Science: Potential monomer or precursor for specialized polymers and coatings requiring specific fluorinated properties.

Basic Information

Product Name	Cyclopentaneacetic Acid, -α--Amino-1-Fluoro-, Methyl Ester (9Ci)
CAS No.	90428-04-9
Molecular Formula	C9H14FNO2
Molecular Weight	187.21 g/mol
Synonyms	Methyl 2-Amino-2-fluorocyclopentaneacetate; 2-Fluoro-2-(aminomethyl)cyclopentaneacetic acid methyl ester; (1-Fluoro-1-(methoxycarbonyl)methyl)cyclopentylamine; α-Amino-α-fluorocyclopentanepropanoic acid methyl ester; 2-Amino-2-fluorocyclopentaneacetic acid methyl ester; Fluorocyclopentylglycine methyl ester; Aminofluorocyclopentaneacetic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of Cyclopentaneacetic Acid, -α--Amino-1-Fluoro-, Methyl Ester (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and scale-up applications. Each lot is characterized by advanced analytical techniques including NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess (where applicable), and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation.

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 under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Specific Rotation (if chiral)	Contact for details

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