Description

4-(Carboxymethoxy)-Benzoic Acid Methyl Ester is a specialized organic ester compound that serves as a versatile intermediate in advanced chemical synthesis. Its bifunctional structure, featuring both a carboxylic acid methyl ester and a carboxymethoxy group, makes it a valuable building block for creating complex molecules with tailored properties. This high-purity intermediate is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a benzoic acid ester backbone with an ether-linked carboxylic acid functionality.
• Liquid Crystal & OLED Material Synthesis: Used in the production of advanced organic electronic materials, where its aromatic core and ester groups contribute to molecular rigidity and electronic properties.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent for specialty polymers, enhancing thermal stability and introducing reactive sites for further functionalization.
• Agrochemical Synthesis: Intermediate in the development of modern herbicides and plant growth regulators that utilize substituted benzoic acid derivatives.
• Dye & Pigment Manufacturing: Precursor for synthesizing complex organic dyes and pigments, where its structure allows for color tuning and stability improvements.
• Research & Development: Critical reagent in organic chemistry R&D for constructing complex molecular architectures in medicinal chemistry and material science projects.

Basic Information

Product Name	4-(Carboxymethoxy)-Benzoic Acid Methyl Ester
CAS No.	90812-66-1
Molecular Formula	C11H12O5
Molecular Weight	224.21 g/mol
Synonyms	Methyl 4-(carboxymethoxy)benzoate; Benzoic acid, 4-(carboxymethoxy)-, methyl ester; Methyl 4-(methoxycarbonyl)phenoxyacetate; 4-(Methoxycarbonyl)phenoxyacetic acid methyl ester; (4-Methoxycarbonylphenoxy)acetic acid methyl ester; Methyl (4-methoxycarbonylphenoxy)acetate; Methyl p-(carboxymethoxy)benzoate
EINECS	Contact for details

Quality Control

Our 4-(Carboxymethoxy)-Benzoic Acid Methyl Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assessment and identity confirmation via FT-IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality protocols to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and contamination. Store away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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