Description

4-Fluoro-3-Methoxyphenylacetic Acid is a versatile fluorinated aromatic building block of significant importance in advanced organic synthesis. Its molecular structure, featuring both a methoxy and a fluorine substituent on the phenyl ring, makes it a critical intermediate for the development of complex active pharmaceutical ingredients (APIs) and fine chemicals. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries for constructing novel molecular entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of advanced herbicides and pesticides, where the fluorine atom enhances biological activity and stability.
• Liquid Crystal & OLED Material Research: Serves as a building block for fluorinated organic electronic materials due to its aromatic core and functional groups.
• Peptide Mimetics & Bio-conjugation: The acetic acid moiety allows for coupling reactions to create peptide analogs or for labeling applications.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new fluorination chemistry and reaction pathways.
• Fine Chemical Production: Integral to the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	4-Fluoro-3-Methoxyphenylacetic Acid
CAS No.	946713-86-6
Molecular Formula	C9H9FO3
Molecular Weight	184.16 g/mol
Synonyms	2-(4-Fluoro-3-methoxyphenyl)acetic Acid; (4-Fluoro-3-methoxyphenyl)acetic Acid; 4-Fluoro-3-methoxybenzeneacetic Acid; 4-Fluoro-3-methoxy-α-toluic Acid; 4-Fluoro-3-methyloxyphenylacetic Acid; 4-Fluoro-m-anisicacetic Acid; FMPAA; 946713-86-6 (CAS)
EINECS	Contact for details

Quality Control

Our 4-Fluoro-3-Methoxyphenylacetic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be stored away from light as indicated.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.