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Specialized in3-Methoxybenzoic acid CAS 586-38-9and related product development and production

Chemical Name: 3-Methoxybenzoic acid
CAS No.: 586-38-9
Molecular Fomula: C8H8O3
Molecular weight: 152.15
Appearance: Off-white to light yellowish beige powder

Samples: Available / Stock: Sufficient
Estimated delivery time: 3-5 days

3-Methoxybenzoic Acid (CAS 586-38-9) Comprehensive Technical Guide

Table of Contents

1. Product Overview & Specifications

3-Methoxybenzoic Acid (CAS 586-38-9), also known as m-Anisic Acid, is a white to off-white crystalline powder with the molecular formula C8H8O3 and a molecular weight of 152.15 g/mol. It is a methoxy-substituted benzoic acid derivative widely used in pharmaceutical and chemical synthesis.

Key Specifications:

Parameter Value
CAS Number 586-38-9
Purity ≥98%
Melting Point 105–107°C
Boiling Point 308°C (760 mmHg), 170–172°C (10 mmHg)
Solubility Soluble in ethanol, ether; insoluble in water
Density 1.2 g/cm³
Refractive Index 1.546

2. Applications & Industrial Uses

Pharmaceutical Intermediate

3-Methoxybenzoic acid serves as a critical precursor in synthesizing antibiotics, anti-inflammatory agents, and specialty chemicals. For example, it is utilized in the preparation of europium (III) and gadolinium (III) complexes for luminescent materials.

Organic Synthesis

  • Esterification: Converts aromatic carboxylic acids to methyl esters using NaBH4-THF-methanol systems.
  • Reduction Reactions: Acts as a substrate for producing primary alcohols.

3. Case Studies & Practical Implementations

Case Study 1: Pharmaceutical Research

A leading pharmaceutical company employed 3-Methoxybenzoic acid as an intermediate in developing a novel anti-inflammatory drug. The compound’s stability under acidic conditions enabled efficient large-scale synthesis.

Case Study 2: Material Science

Researchers at a European university synthesized gadolinium-based contrast agents using 3-Methoxybenzoic acid, enhancing MRI imaging resolution. The project highlighted its role in optimizing metal-ligand coordination.

4. Safety & Handling Guidelines

Aspect Details
Storage 2–8°C in airtight containers, away from light
Hazard Codes Xi (Irritant)
LD50 (Mouse, Intraperitoneal) 250 mg/kg
Environmental Impact Avoid release into waterways; bioaccumulation risk

5. Inquiry & Contact Information

For technical specifications, bulk pricing, or custom synthesis requests, contact our team:

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Drug impurities to intermediates. Years of expertise.

Experience in the synthesis of complex compounds derived from American technology
Focus on the synthesis of difficult compounds
ISO 17034 dual system certification
National high-tech enterprise
5000+ square meters R&D center
A 70+ R&D team led by Chinese and foreign doctors
150 pieces (sets) of R&D equipment, 120+ fume hoods
18 patents

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Through more than ten years of continuous technological innovation and experience accumulation, the team's R&D personnel have established a complete quality management system for CATO, and have successively obtained ISO9001, ISO17034, CNAS and other international certifications.
It has successfully passed on-site inspections from the United States, Australia, Poland, Japan and domestic pharmaceutical company customers and institutions many times, providing high-quality one-stop services for R&D and production of new drugs around the world.

More than 150 sets of equipment to ensure quality.

The emphasis on quality is the basis for our survival and development, and is the most basic requirement for the products and services we provide. CATO has established a scientific, strict and comprehensive quality prevention and assurance system in accordance with international quality standards. Through advanced testing equipment such as GC-MS, chromatograph, nuclear magnetic resonance, scanning electron microscope, and ultraviolet light, quality management is implemented into every aspect of production and operation activities such as raw materials, inventory, production, testing, sales, verification, and training, and "All actions are controlled and traceable" as the work code of conduct for CATO employees.

Over 1000 cases. Synthesize complex compounds.

Currently, CATO serves more than 500 pharmaceutical companies, biotechnology and other companies around the world. Project types cover the entire cycle from pre-clinical to commercialization stages. As of 2020, CATO has delivered more than 1,000 projects in total.
The company has core technologies in key core technology fields such as high-end fluorine chemistry, asymmetric chiral synthesis, glycoside and biological enzyme technology, and continuous microreactors.

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We can provide moisture, UV, IR, HNMR, CNMR, two-dimensional nuclear magnetic spectroscopy, optical rotation detection, elemental analysis, TGA analysis and residue analysis and other related tests to support personalized needs.

Technical direction

In the early stage, our company mainly engaged in drug impurity synthesis and standard product production, with core technologies in chirality, fluorine chemistry, and heterocycles.

Why Chem-iso’s delivery rate is guaranteed to be 99.99%

5000+

square meter R&D center

150+

China(set) of R&D equipment

150+

Fume hood

180+

R&D team

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