Description

3-Methoxy-5-Methylbenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in providing a functionalized benzoic acid scaffold with methoxy and methyl substituents, enabling precise molecular modifications. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key starting material or building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its substituted aromatic structure.
• Liquid Crystal & OLED Materials: Serves as a precursor for mesogens and electron-transport materials in display and lighting technologies.
• Polymer Modification: Acts as a monomer or functionalizing agent to introduce specific aromatic and carboxylic acid groups into polymer chains for enhanced properties.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and high-performance pigments.
• Academic & Industrial R&D: A valuable reagent for method development and exploring new chemical reactions in organic chemistry laboratories.

Basic Information

Product Name	3-Methoxy-5-Methylbenzoic Acid
CAS No.	62089-34-3
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	5-Methyl-3-methoxybenzoic Acid; 3-Methoxy-5-methyl-benzoic acid; Benzoic acid, 3-methoxy-5-methyl-; 3-Methoxy-m-toluic Acid; m-Toluic acid, 3-methoxy-; 3-Methoxy-5-methylbenzoic acid (primary IUPAC); 5-Methyl-3-anisic acid
EINECS	Contact for details

Quality Control

Our 3-Methoxy-5-Methylbenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates and ISO standards for industrial chemicals.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 149 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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