Description

3-(4-Carboxyphenyl)-5-Methoxybenzoic Acid is a high-purity, bifunctional aromatic carboxylic acid derivative. This compound serves as a critical advanced pharmaceutical intermediate (API) and a versatile organic synthesis building block for constructing complex molecular architectures. It is essential for research and production in pharmaceutical development, agrochemicals, and materials science, where precise chemical functionality is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Liquid Crystal & OLED Material Synthesis: Serves as a core building block for creating advanced organic electronic materials and display components.
• Polymer & Specialty Chemical Monomer: Used in the production of high-performance polymers, polyesters, and coatings requiring specific thermal and chemical resistance.
• Agrochemical Intermediate: Employed in the research and development of new-generation herbicides and plant growth regulators.
• Metal-Organic Framework (MOF) Construction: Acts as a functional organic linker in the design of porous coordination polymers for catalysis and gas storage.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry and medicinal chemistry.

Basic Information

Product Name	3-(4-Carboxyphenyl)-5-Methoxybenzoic Acid
CAS No.	1261931-39-8
Molecular Formula	C15H12O5
Molecular Weight	272.25 g/mol
Synonyms	5-Methoxy-3,4'-biphenyldicarboxylic Acid; 3-(4-Carboxyphenyl)-5-methoxybenzoic acid; 4'-(3-Carboxy-5-methoxyphenyl)biphenyl-4-carboxylic acid; 5-Methoxy-[1,1'-biphenyl]-3,4'-dicarboxylic acid; Biphenyl-3,4'-dicarboxylic acid, 5-methoxy-; [1,1'-Biphenyl]-4,4'-dicarboxylic acid, 5-methoxy- (related isomer); Aromatic dicarboxylic acid derivative
EINECS	Contact for details

Quality Control

Our 3-(4-Carboxyphenyl)-5-Methoxybenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.