Description

5-Chloro-2-Methoxy-4-Methyl-Benzoic Acid is a versatile benzoic acid derivative characterized by its distinct chloro, methoxy, and methyl substituents, which impart specific reactivity and physical properties. This compound serves as a crucial advanced pharmaceutical intermediate (API intermediate) and a valuable building block in organic synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the production of active pharmaceutical ingredients (APIs), particularly for compounds requiring its specific substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the research and manufacturing of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Building Block: Employed in coupling reactions, esterifications, and amide formations to create more complex chemical structures for research and development.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing certain specialized dyes and organic pigments.
• Liquid Crystal & Electronic Material Research: Investigated as a component in the synthesis of advanced materials for electronic applications.

Basic Information

Product Name	5-Chloro-2-Methoxy-4-Methyl-Benzoic Acid
CAS No.	28478-41-3
Molecular Formula	C9H9ClO3
Molecular Weight	200.62 g/mol
Synonyms	4-Methyl-5-chloro-2-methoxybenzoic acid; 2-Methoxy-4-methyl-5-chlorobenzoic acid; 5-Chloro-2-methoxy-p-toluic acid; Benzoic acid, 5-chloro-2-methoxy-4-methyl-; 28478-41-3; 5-Chloro-2-methoxy-4-methylbenzoic acid
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-2-Methoxy-4-Methyl-Benzoic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent composition. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical-grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The product is stable under recommended conditions.

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	≤ 20 ppm

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