Description

Benzenepropanoic Acid, α-Fluoro-α-Methyl-β-Oxo-, Methyl Ester (9Ci) is a specialized fluorinated organic ester, identified by CAS No. 765271-39-4, serving as a high-value synthetic intermediate. This compound is critical for introducing unique fluorinated motifs into target molecules, enabling the development of advanced materials and bioactive compounds with tailored properties. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for constructing novel chemical entities.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of fluorinated active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting metabolic and central nervous system diseases.
• Agrochemical Synthesis: Used in the research and production of novel fluorinated pesticides and herbicides, where the fluorine atom enhances biological activity and environmental stability.
• Material Science Research: Employed in the development of specialty polymers and advanced organic electronic materials that benefit from fluorinated components for improved performance.
• Chemical Biology Probes: Serves as a precursor for creating fluorinated probes and tags used in biochemical assays and diagnostic research.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for fine chemical manufacturers offering bespoke synthesis services to the life sciences industry.

Basic Information

Product Name	Benzenepropanoic Acid, α-Fluoro-α-Methyl-β-Oxo-, Methyl Ester (9Ci)
CAS No.	765271-39-4
Molecular Formula	C11H11FO3
Molecular Weight	210.20 g/mol
Synonyms	Methyl 2-fluoro-2-methyl-3-oxo-3-phenylpropanoate; 3-Phenyl-2-fluoro-2-methyl-3-oxopropanoic acid methyl ester; α-Fluoro-α-methyl-β-oxobenzenepropanoic acid methyl ester; 765271-39-4; Methyl α-fluoro-α-methyl-β-oxo-benzenepropanoate; Fluorinated β-keto ester derivative; Phenyl fluoromethyl ketone ester
EINECS	Contact for details

Quality Control

Our production of Benzenepropanoic Acid, α-Fluoro-α-Methyl-β-Oxo-, Methyl Ester (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for sensitive synthetic applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 (typically 15-25°C). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere to prevent 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)	≤ 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.