Description

5-Hydroxy-4-Oxo-4H-Chromene-2-Carboxylic Acid is a versatile chromene derivative that serves as a key synthetic intermediate and building block in advanced organic chemistry. Its unique molecular structure, featuring both carboxylic acid and hydroxyl functionalities on a chromene scaffold, makes it valuable for constructing complex heterocyclic compounds. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, cancer, and central nervous system disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in the preparation of complex dyes, pigments, and fluorescent markers due to its chromophore core.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific optical or electronic properties.
• Academic & R&D: Serves as a standard reagent in university and corporate laboratories for methodological studies and heterocyclic chemistry exploration.

Basic Information

Product Name	5-Hydroxy-4-Oxo-4H-Chromene-2-Carboxylic Acid
CAS No.	53878-47-0
Molecular Formula	C10H6O5
Molecular Weight	206.15 g/mol
Synonyms	5-Hydroxy-4-oxo-4H-chromene-2-carboxylic acid; 2-Carboxy-5-hydroxy-4H-chromen-4-one; 5-Hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic acid; 5-Hydroxy-4-oxochromene-2-carboxylic acid; 4-Oxo-4H-chromene-2,5-dicarboxylic acid (tautomer); Chromene-2,5-dicarboxylic acid derivative; Khellin derivative intermediate
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-4-Oxo-4H-Chromene-2-Carboxylic Acid is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including a Certificate of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to protect the product from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.