Description

3-Chloro-5-Methoxybenzaldehyde is a versatile aromatic aldehyde building block characterized by its chloro and methoxy substituents, which confer unique reactivity and electronic properties. This compound is essential for the synthesis of complex molecules, offering a critical handle for further functionalization in advanced chemical processes. It is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for creating active ingredients and novel intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its halogenated aromatic structure.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes (OLEDs).
• Dye & Pigment Manufacturing: Acts as an intermediate for producing complex dyes, pigments, and optical brighteners.
• Flavor & Fragrance Chemistry: Employed in the synthesis of high-value aroma chemicals and fragrance ingredients.
• Cross-Coupling Reactions: A valuable substrate for Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to build biaryl structures.
• Academic & Contract Research: Used in academic laboratories and CROs (Contract Research Organizations) for methodological development and discovery chemistry.

Basic Information

Product Name	3-Chloro-5-Methoxybenzaldehyde
CAS No.	164650-68-4
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	5-Methoxy-3-chlorobenzaldehyde; 3-Chloro-5-methoxybenzaldehyde; m-Chloro-m-methoxybenzaldehyde; 3-Chloro-5-methoxy-benzaldehyde; Benzaldehyde, 3-chloro-5-methoxy-; 3-Chloro-5-methoxybenzenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Methoxybenzaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon blanket) to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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