Description

4H-1-Benzopyran-4-One,2-(4-Chlorophenyl)-3-Nitro-(9Ci) CAS NO 143468-16-0 is a specialized nitro-substituted benzopyranone derivative, serving as a high-value synthetic intermediate in advanced organic chemistry. Its core value lies in its unique molecular scaffold, which is critical for constructing complex heterocyclic compounds with targeted biological or material properties. This product is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly those focused on developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring chromone or flavone-based structures.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its nitro and chlorophenyl functional groups for bioactivity.
• Organic Synthesis: A versatile precursor for creating complex heterocycles, dyes, and functional organic materials in research and development laboratories.
• Material Science: Potential intermediate for synthesizing organic electronic materials or advanced polymers due to its conjugated system.
• Chemical Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in chemical production.

Basic Information

Product Name	4H-1-Benzopyran-4-One,2-(4-Chlorophenyl)-3-Nitro-(9Ci)
CAS No.	143468-16-0
Molecular Formula	C15H8ClNO4
Molecular Weight	301.68 g/mol
Synonyms	2-(4-Chlorophenyl)-3-nitro-4H-chromen-4-one; 2-(4-Chlorophenyl)-3-nitro-4H-1-benzopyran-4-one; 3-Nitro-2-(p-chlorophenyl)chromone; 2-(4-Chlorophenyl)-3-nitrochromone; 4H-Chromen-4-one, 2-(4-chlorophenyl)-3-nitro-; 2-(4-Chlorophenyl)-3-nitro-4H-chromen-4-one (9CI); 143468-16-0; p-Chloro-3-nitroflavone
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One,2-(4-Chlorophenyl)-3-Nitro-(9Ci) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods (NMR, IR, MS) for structural confirmation. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications.

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 heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.