Description

Coumarin-4-Carboxylic Acid is a versatile organic building block and a key derivative of the coumarin family, characterized by a carboxylic acid functional group at the 4-position. This compound is highly valued for its role as a crucial intermediate in the synthesis of more complex heterocyclic compounds, dyes, and fluorescent markers. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, particularly those with anticoagulant, anti-inflammatory, or antimicrobial properties.
• Fluorescent Probe & Dye Synthesis: Serves as a starting material for creating coumarin-based fluorescent dyes and probes used in bioimaging, sensors, and analytical chemistry.
• Agrochemical Development: Used in research and production of novel pesticides and herbicides, leveraging the biological activity of the coumarin scaffold.
• Organic Synthesis Building Block: Employed in organic reactions, such as peptide coupling and esterification, to introduce the coumarin moiety into larger molecular architectures.
• Material Science: Investigated for use in the development of organic light-emitting diodes (OLEDs) and other advanced functional materials due to its photophysical properties.
• Cosmetic Ingredient Research: Explored as a potential intermediate for UV-absorbing agents or fragrance components in high-end cosmetic formulations.

Basic Information

Product Name	Coumarin-4-Carboxylic Acid
CAS No.	27393-46-0
Molecular Formula	C10H6O4
Molecular Weight	190.15 g/mol
Synonyms	4-Carboxycoumarin; 4-Coumarincarboxylic Acid; Coumarin-4-carboxylic acid; 2-Oxo-2H-1-benzopyran-4-carboxylic Acid; 4-Carboxy-2H-chromen-2-one; 2H-1-Benzopyran-4-carboxylic acid, 2-oxo-; 4-Coumaric acid lactone carboxylic acid
EINECS	Contact for details

Quality Control

Our Coumarin-4-Carboxylic Acid is produced and tested under a strict quality management system. We provide material that typically meets a high purity standard, suitable for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every batch upon request, ensuring full traceability and compliance with your project specifications.

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 heat, sparks, and open flame. The product is light-sensitive (store away from light).

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%

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