Description

3-Chloro-5-Fluoro-4-Methoxy-2-Methylbenzaldehyde, 97% is a high-purity, multi-substituted benzaldehyde derivative that serves as a critical advanced intermediate in modern organic synthesis. Its precise halogen and methoxy substitution pattern makes it a valuable building block for constructing complex molecules with specific electronic and steric properties. This compound is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and oncology therapeutics.
• Agrochemical Synthesis: Building block for developing new-generation herbicides, fungicides, and insecticides, leveraging its halogenated aromatic structure.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for transition metal catalysis and organocatalysts due to its tunable aldehyde functionality.
• Material Science Research: Intermediate for synthesizing organic electronic materials, liquid crystals, and photoactive compounds.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.
• Academic and Industrial R&D: Utilized in research laboratories for method development and exploring new chemical reactions and pathways.

Basic Information

Product Name	3-Chloro-5-Fluoro-4-Methoxy-2-Methylbenzaldehyde, 97%
CAS No.	1373920-69-4
Molecular Formula	C9H8ClFO2
Molecular Weight	202.61 g/mol
Synonyms	2-Methyl-3-chloro-5-fluoro-4-methoxybenzaldehyde; 4-Methoxy-2-methyl-3-chloro-5-fluorobenzaldehyde; 3-Chloro-5-fluoro-4-methoxy-o-tolualdehyde; Benzaldehyde, 3-chloro-5-fluoro-4-methoxy-2-methyl-; 1373920-69-4
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Fluoro-4-Methoxy-2-Methylbenzaldehyde is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure the specified 97% minimum purity and identity are met. Certificates of Analysis (COA) with lot-specific data are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.