Description

4-Fluoro-3-Methoxybenzaldehyde is a versatile aromatic aldehyde building block characterized by its distinct fluorine and methoxy substituents. This compound is highly valued in advanced organic synthesis for its role in constructing complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the fluorine atom enhances biological activity and metabolic stability.
• Liquid Crystal & OLED Materials: Serves as a building block for creating fluorinated organic electronic materials, contributing to improved performance in display and lighting technologies.
• Fine Chemical & Flavor/Fragrance Precursor: Employed in the multi-step synthesis of complex fine chemicals and as a starting material for certain specialty aroma chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and for exploring new chemical spaces in corporate and university research laboratories.

Basic Information

Product Name	4-Fluoro-3-Methoxybenzaldehyde
CAS No.	128495-46-5
Molecular Formula	C8H7FO2
Molecular Weight	154.14 g/mol
Synonyms	3-Methoxy-4-fluorobenzaldehyde; 4-Fluoro-3-methoxybenzaldehyde; 4-Fluoro-m-anisaldehyde; 3-Methoxy-4-fluorobenzenecarboxaldehyde; 4-Fluoro-3-methoxy-benzaldehyde; 4-Fluoro-3-methoxybenzenecarbaldehyde; 128495-46-5
EINECS	Contact for details

Quality Control

Our 4-Fluoro-3-Methoxybenzaldehyde is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with customer specifications and supporting regulatory filings for cGMP applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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