Description

5-(Methoxycarbonyl)-2-Methylbenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its bifunctional structure, featuring both a carboxylic acid and a methyl ester group, makes it an invaluable intermediate for constructing complex molecular architectures. This high-purity compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and scalable intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents with a substituted benzoic acid core.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its aromatic ring system provides a stable scaffold for functionalization.
• Liquid Crystal & OLED Materials: Serves as a starting material for synthesizing advanced organic electronic materials and liquid crystal compounds due to its planar, modifiable structure.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent for producing specialty polyesters, epoxy resins, and coatings, enhancing material properties.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, contributing to the chromophore structure.
• Chemical Research & Development: A valuable reagent for method development, catalysis studies, and exploring new synthetic pathways in academic and industrial R&D labs.

Basic Information

Product Name	5-(Methoxycarbonyl)-2-Methylbenzoic Acid
CAS No.	65399-17-9
Molecular Formula	C10H10O4
Molecular Weight	194.18 g/mol
Synonyms	2-Methyl-5-(methoxycarbonyl)benzoic Acid; 5-Carbomethoxy-2-methylbenzoic Acid; Methyl 4-Methylphthalate-3-carboxylate; 3-Carboxy-4-methylbenzoic Acid Methyl Ester; 2-Methylisophthalic Acid 5-Methyl Ester; 5-Methoxycarbonyl-2-methylbenzoic Acid; 4-Methyl-3-(methoxycarbonyl)benzoic Acid
EINECS	Contact for details

Quality Control

Our production of 5-(Methoxycarbonyl)-2-Methylbenzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet the exacting standards required for synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, and specific test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Melting Point	Contact for details

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