Description

5-(Chloromethyl)-2-Methoxybenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its bifunctional structure, featuring both a reactive chloromethyl group and a carboxylic acid moiety, makes it a valuable building block for constructing complex molecular architectures. This compound is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for molecules requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Building block for creating herbicides, fungicides, and plant growth regulators with enhanced activity.
• Ligand and Catalyst Development: Used to prepare chelating ligands for metal catalysts in asymmetric synthesis and polymerization processes.
• Polymer Modification: Serves as a monomer or grafting agent for introducing functional groups into polymer backbones to alter material properties.
• Dye and Pigment Chemistry: Intermediate in the production of specialized colorants and optical brighteners.
• Cross-coupling Reactions: The chloromethyl group can be utilized in various palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.

Basic Information

Product Name	5-(Chloromethyl)-2-Methoxybenzoic Acid
CAS No.	3641-23-4
Molecular Formula	C9H9ClO3
Molecular Weight	200.62 g/mol
Synonyms	2-Methoxy-5-(chloromethyl)benzoic Acid; 5-Chloromethyl-2-methoxybenzoic Acid; 2-Methoxy-5-(chloromethyl)benzoic Acid; 5-(Chloromethyl)-o-anisic Acid; 5-(Chloromethyl)-2-methoxybenzoic acid; Benzoic acid, 5-(chloromethyl)-2-methoxy-; 3641-23-4
EINECS	Contact for details

Quality Control

Our production of 5-(Chloromethyl)-2-Methoxybenzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support custom synthesis and can tailor specifications to meet specific project requirements, including compliance with cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound may be moisture-sensitive; ensure the container is kept sealed when not in use to prevent degradation.

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%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.0%

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