Description

8-Nitro-2-oxo-2H-chromene-3-carboxylic acid is a specialized nitro-substituted coumarin derivative that serves as a critical synthetic intermediate. Its value lies in its unique molecular scaffold, which is highly functionalized for constructing complex heterocyclic compounds. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors who require high-purity building blocks for synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition or possessing fluorescent properties for bio-imaging.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging its heterocyclic core.
• Organic Synthesis Building Block: A versatile starting material for constructing complex fused-ring systems and functionalized coumarin libraries.
• Dye and Pigment Intermediate: Employed in the research and development of specialized nitro-aromatic dyes and optical materials.
• Academic & Industrial R&D: Serves as a standard or reagent in chemical research for studying nitration reactions and coumarin chemistry.
• Material Science: Investigated for potential use in the development of organic electronic materials and photoactive polymers.

Basic Information

Product Name	8-Nitro-2-oxo-2H-chromene-3-carboxylic acid
CAS No.	82119-78-6
Molecular Formula	C10H5NO6
Molecular Weight	235.15 g/mol
Synonyms	8-Nitro-2-oxo-2H-1-benzopyran-3-carboxylic acid; 3-Carboxy-8-nitro-2H-chromen-2-one; 8-Nitro-2-oxochromene-3-carboxylic acid; 8-Nitro-2H-chromene-2-one-3-carboxylic acid; 8-Nitrocoumarin-3-carboxylic acid; 2-Oxo-8-nitro-2H-chromene-3-carboxylic acid; 82119-78-6; 8-Nitro-2-oxo-2H-1-benzopyran-3-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 8-Nitro-2-oxo-2H-chromene-3-carboxylic acid is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is available for each lot upon request.

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 sources and incompatible materials.

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.