Description

8-Methyl-2-oxo-2H-chromene-3-carboxylic acid is a versatile coumarin derivative that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique molecular structure, featuring both a coumarin core and a carboxylic acid functional group, makes it a valuable precursor for the development of novel compounds with specific biological and material properties. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly those targeting anti-inflammatory, antimicrobial, or anticancer pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport or emissive layer materials in display and lighting technologies.
• Fluorescent Dyes and Probes: Serves as a core structure for developing sensitive fluorescent markers used in bioimaging and analytical chemistry.
• Complex Ligand Synthesis: Utilized in coordination chemistry to create sophisticated ligands for catalysis or metal-organic frameworks (MOFs).
• Academic & Industrial R&D: A fundamental reagent for synthetic organic chemistry research in universities and corporate laboratories.

Basic Information

Product Name	8-Methyl-2-oxo-2H-chromene-3-carboxylic acid
CAS No.	58734-32-0
Molecular Formula	C12H8O4
Molecular Weight	216.19 g/mol
Synonyms	8-Methylcoumarin-3-carboxylic acid; 3-Carboxy-8-methylcoumarin; 8-Methyl-2-oxo-2H-1-benzopyran-3-carboxylic acid; 8-Methyl-2-oxochromene-3-carboxylic acid; 8-Methylumbelliferone-3-carboxylic acid; 8-Methyl-2H-chromen-2-one-3-carboxylic acid; 8-Methyl-2-oxo-2H-chromene-3-carboxylic acid (IUPAC)
EINECS	Contact for details

Quality Control

Every batch of 8-Methyl-2-oxo-2H-chromene-3-carboxylic acid is produced and tested under a strict quality management system. We ensure compliance with high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with each shipment to guarantee traceability and consistency for your critical 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 strong acids and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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

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