Description

3,4-Dichloro-2-Methoxybenzaldehyde is a versatile aromatic aldehyde derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for constructing complex molecules with specific electronic and steric properties. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where the dichloro-methoxy benzaldehyde scaffold contributes to biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and photoresist materials for electronic applications.
• Fine Chemical Production: Intermediate for synthesizing dyes, pigments, and flavor & fragrance compounds requiring specific halogenated benzaldehyde structures.

Basic Information

Product Name	3,4-Dichloro-2-Methoxybenzaldehyde
CAS No.	145742-36-5
Molecular Formula	C8H6Cl2O2
Molecular Weight	205.04 g/mol
Synonyms	2-Methoxy-3,4-dichlorobenzaldehyde; 3,4-Dichloro-2-methoxybenzaldehyde; 3,4-Dichloro-o-anisaldehyde; 2-Methoxy-3,4-dichlorobenzenecarboxaldehyde; 3,4-Dichloro-2-methoxybenzenecarbaldehyde; 3,4-Dichloro-2-anisaldehyde; 3,4-Dichloro-o-methoxybenzaldehyde; 145742-36-5
EINECS	Contact for details

Quality Control

Our 3,4-Dichloro-2-Methoxybenzaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific project requirements, from research to commercial scale.

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). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	78 - 82 °C
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.