Description

4H-1-Benzopyran-4-One,2-(3-Chlorophenyl)-3-Nitro-(9Ci) is a specialized nitro-substituted chromone derivative that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique molecular architecture, featuring a chlorophenyl and a nitro group on the chromone core, makes it a critical building block for the development of novel compounds with targeted biological and material properties. This high-purity chemical is essential for researchers and process chemists in the pharmaceutical, agrochemical, and material science industries, where it is used to synthesize new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for therapeutic areas requiring chromone-based scaffolds.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its bioactive nitroaromatic structure.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to introduce the 2-(3-chlorophenyl)-3-nitrochromone moiety into larger molecular frameworks.
• Material Science Research: Investigated as a precursor for organic electronic materials or as a ligand in coordination chemistry due to its electron-withdrawing groups.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	4H-1-Benzopyran-4-One,2-(3-Chlorophenyl)-3-Nitro-(9Ci)
CAS No.	143468-15-9
Molecular Formula	C15H8ClNO4
Molecular Weight	301.68 g/mol
Synonyms	2-(3-Chlorophenyl)-3-nitro-4H-chromen-4-one; 2-(3-Chlorophenyl)-3-nitro-4H-1-benzopyran-4-one; 3-Nitro-2-(3-chlorophenyl)chromone; 2-(3-Chlorophenyl)-3-nitrochromone; 3-Nitro-2-(m-chlorophenyl)-4H-chromen-4-one; 2-(3-Chlorophenyl)-3-nitro-4H-1-benzopyran-4-one (9CI); 143468-15-9
EINECS	Contact for details

Quality Control

Every batch of 4H-1-Benzopyran-4-One,2-(3-Chlorophenyl)-3-Nitro-(9Ci) is produced and tested under strict quality management protocols to ensure consistency and reliability for research and development applications. Our standard grade typically meets a purity specification of ≥97% (by HPLC), with comprehensive identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing batch-specific results for purity, identity, and impurities are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.