Description

5-Chloro-2-Hydroxy-4-Methylbenzaldehyde (5-Chloro-4-Methylsalicylaldehyde) is a versatile aromatic aldehyde derivative with a phenolic hydroxyl group, serving as a key synthetic intermediate in advanced organic chemistry. Its molecular structure makes it a valuable precursor for constructing complex heterocyclic systems and functional molecules. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in the development of anti-inflammatory, antimicrobial, and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where its structure contributes to biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes, pigments, and colorants for industrial applications.
• Ligand and Chelating Agent Precursor: The phenolic and aldehyde functionalities allow for the creation of complexing agents and ligands used in catalysis and metal ion sequestration.
• Organic Synthesis & Research: A fundamental reagent in academic and industrial R&D labs for constructing benzofuran, coumarin, and other fused heterocyclic scaffolds.
• Material Science: Employed in the synthesis of monomers for specialty polymers and advanced organic electronic materials.

Basic Information

Product Name	5-Chloro-2-Hydroxy-4-Methylbenzaldehyde (5-Chloro-4-Methylsalicylaldehyde)
CAS No.	3328-68-5
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	5-Chloro-4-methylsalicylaldehyde; 2-Hydroxy-5-chloro-4-methylbenzaldehyde; 4-Methyl-5-chlorosalicylaldehyde; 5-Chloro-2-hydroxy-p-tolualdehyde; 5-Chloro-4-methyl-2-hydroxybenzaldehyde; Benzaldehyde, 5-chloro-2-hydroxy-4-methyl-; Salicylaldehyde, 5-chloro-4-methyl-
EINECS	222-054-8

Quality Control

Our production of 5-Chloro-2-Hydroxy-4-Methylbenzaldehyde adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the rigorous standards required for pharmaceutical and fine chemical synthesis, supporting your compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.