Description

Benzaldehyde, 2-Chloro-4-Methoxy-5-Methyl- CAS NO 84657-23-8 is a specialized aromatic aldehyde derivative, distinguished by its unique substitution pattern. This compound serves as a versatile and high-value intermediate for the synthesis of complex molecules, where its specific halogen and methoxy groups enable precise chemical transformations. It is primarily required by pharmaceutical, agrochemical, and advanced material research sectors for developing active ingredients and functional chemicals.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex aromatic scaffolds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where its chlorinated aromatic structure contributes to biological activity.
• Organic Synthesis & Research: A crucial reagent in academic and industrial R&D labs for constructing heterocyclic compounds, ligands, and specialty fine chemicals.
• Dye & Pigment Precursor: Serves as an intermediate in the manufacture of specialized dyes and pigments for high-performance applications.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex aroma chemicals, leveraging the benzaldehyde core structure.
• Material Science: Used in the synthesis of monomers or additives for advanced polymers and functional materials.

Basic Information

Product Name	Benzaldehyde, 2-Chloro-4-Methoxy-5-Methyl-
CAS No.	84657-23-8
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	2-Chloro-4-methoxy-5-methylbenzaldehyde; 5-Methyl-2-chloro-4-methoxybenzaldehyde; 2-Chloro-4-methoxy-5-methyl-benzaldehyde; (2-Chloro-4-methoxy-5-methylphenyl)methanal; Benzaldehyde, 2-chloro-4-methoxy-5-methyl-
EINECS	Contact for details

Quality Control

Our production of 2-Chloro-4-Methoxy-5-Methylbenzaldehyde adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, purity, and impurity profiles. We provide detailed Certificates of Analysis (COA) with every shipment, ensuring traceability and compliance with your specific research or manufacturing requirements.

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 product is easily oxidized and should be handled under an inert atmosphere for long-term storage. Keep away from strong oxidizing agents, strong acids, and strong bases.

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%; Total impurities ≤ 1.5%

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