Description

7-Nitro-2-Oxo-2H-Chromene-3-Carboxylic Acid is a high-purity, synthetically valuable chromene derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis: Versatile scaffold for constructing fused heterocyclic compounds and chromene-based libraries.
• Dye & Pigment Industry: Intermediate for synthesizing nitro-substituted chromene dyes and optical materials.
• Material Science: Used in research for creating novel polymers and organic electronic materials.
• Academic & Contract Research: Essential reagent for methodological studies and discovery chemistry in academic and CRO settings.

Basic Information

Product Name	7-Nitro-2-Oxo-2H-Chromene-3-Carboxylic Acid
CAS No.	64962-93-2
Molecular Formula	C10H5NO6
Molecular Weight	235.15 g/mol
Synonyms	7-Nitro-2-oxo-2H-1-benzopyran-3-carboxylic acid; 3-Carboxy-7-nitro-2H-chromen-2-one; 7-Nitro-2-oxochromene-3-carboxylic acid; 7-Nitro-2H-chromene-2,3-dicarboxylic acid 2-anhydride; 7-Nitro-2-oxo-2H-chromene-3-carboxylic acid; 7-Nitro-coumarin-3-carboxylic acid; 7-Nitro-2-oxo-2H-1-benzopyran-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 7-Nitro-2-Oxo-2H-Chromene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to light brown 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.