Description

5-Methoxy-3-Methyl-Benzofuran-2-Carboxylic Acid is a high-purity, functionalized benzofuran derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is primarily needed by research chemists and process development teams in fine chemical, pharmaceutical, and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and plant growth regulators due to its benzofuran core structure.
• Material Science Precursor: Serves as a starting material for synthesizing organic ligands, dyes, and photoactive compounds for advanced materials.
• Academic & R&D: Employed in university and institutional research laboratories for methodological studies and exploring new chemical reactions involving heterocyclic carboxylic acids.
• Custom Synthesis: A foundational block for contract research and manufacturing organizations (CROs/CMOs) producing bespoke compounds for client projects.

Basic Information

Product Name	5-Methoxy-3-Methyl-Benzofuran-2-Carboxylic Acid
CAS No.	81718-77-6
Molecular Formula	C11H10O4
Molecular Weight	206.19 g/mol
Synonyms	5-Methoxy-3-methyl-2-benzofurancarboxylic acid; 3-Methyl-5-methoxybenzofuran-2-carboxylic acid; 2-Benzofurancarboxylic acid, 5-methoxy-3-methyl-; 81718-77-6; 5-Methoxy-3-methylbenzo[b]furan-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methoxy-3-Methyl-Benzofuran-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, related substances, and residual solvents. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliable supply and traceability for critical R&D and production applications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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