Description

6-Hydroxy-5-Nitro-4-Oxo-4H-1-Benzopyran-2-Carboxylic Acid Ethyl Ester is a high-purity chromone derivative, a key heterocyclic building block in advanced organic synthesis. Its precise molecular structure makes it an essential intermediate for developing novel compounds with targeted biological and photophysical properties. This product is critical for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of novel drug candidates, particularly in therapeutic areas requiring chromone-based structures.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its nitro and ester functional groups for further chemical modification.
• Organic Synthesis Building Block: A versatile precursor for synthesizing complex heterocyclic compounds, dyes, and pigments in fine chemical manufacturing.
• Material Science Research: Investigated for potential use in creating organic electronic materials or fluorescent markers due to its conjugated chromone system.
• Academic & R&D Laboratories: Employed in fundamental chemical research to study reaction mechanisms and develop new synthetic methodologies.

Basic Information

Product Name	6-Hydroxy-5-Nitro-4-Oxo-4H-1-Benzopyran-2-Carboxylic Acid Ethyl Ester
CAS No.	30095-84-2
Molecular Formula	C₁₂H₉NO₇
Molecular Weight	279.20 g/mol
Synonyms	Ethyl 6-Hydroxy-5-nitro-4-oxo-4H-chromene-2-carboxylate; 5-Nitro-6-hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic Acid Ethyl Ester; 6-Hydroxy-5-nitro-4-oxochromene-2-carboxylic Acid Ethyl Ester; 2-Carbethoxy-6-hydroxy-5-nitro-4H-chromen-4-one; 5-Nitro-6-hydroxy-4-oxo-4H-chromene-2-carboxylic Acid Ethyl Ester; Chromone-2-carboxylic Acid, 6-Hydroxy-5-nitro-4-oxo-, Ethyl Ester
EINECS	Contact for details

Quality Control

Our 6-Hydroxy-5-Nitro-4-Oxo-4H-1-Benzopyran-2-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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