Description

4-Methoxy-2,3-Dimethylbenzoic Acid Ethyl Ester is a high-purity, synthetically valuable benzoic acid derivative, serving as a critical building block in advanced organic synthesis. Its defined molecular structure provides a versatile platform for constructing complex molecules, offering chemists precise control over regiochemistry and functional group introduction. This intermediate is essential for research and development in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoate core.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its aromatic structure for bioactivity.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized organic compounds used in electronic displays and optoelectronic devices.
• Fine Chemical & Flavor/Fragrance Intermediate: Employed in the synthesis of complex esters and aromatic compounds for high-value chemical and sensory applications.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cross-coupling reactions and esterification processes.
• Polymer Modifier Synthesis: Acts as a monomer or co-monomer in the creation of specialty polymers with tailored thermal or optical properties.

Basic Information

Product Name	4-Methoxy-2,3-Dimethylbenzoic Acid Ethyl Ester
CAS No.	128209-84-7
Molecular Formula	C₁₂H₁₆O₃
Molecular Weight	208.25 g/mol
Synonyms	Ethyl 4-Methoxy-2,3-dimethylbenzoate; 2,3-Dimethyl-4-methoxybenzoic Acid Ethyl Ester; Benzoic Acid, 4-Methoxy-2,3-Dimethyl-, Ethyl Ester; 4-Methoxy-2,3-Dimethyl Benzoic Acid Ethyl Ester; Ethyl 4-Methoxy-2,3-Dimethylbenzoate; 128209-84-7; 4-Methoxy-2,3-dimethyl-benzoic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 4-Methoxy-2,3-Dimethylbenzoic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the stringent requirements for research and cGMP-grade synthesis 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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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
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.