Description

1H-2-Benzopyran,7-Chloro-3,4-Dihydro-1-(4-Nitrophenyl)- is a specialized heterocyclic organic compound featuring a benzopyran core structure substituted with chloro and nitrophenyl groups. This compound is of significant interest as a key synthetic intermediate or a potential pharmacophore in advanced research and development. It is primarily sought after by research institutions and pharmaceutical companies engaged in medicinal chemistry and process development. The precise molecular architecture offers a valuable building block for creating novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system or cardiovascular pathways.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and the development of new bioactive molecules.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct more elaborate heterocyclic systems or functionalized chromene derivatives.
• Chemical Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and validation.
• Material Science Research: Investigated for potential applications in the development of organic electronic materials or advanced polymers.

Basic Information

Product Name	1H-2-Benzopyran,7-Chloro-3,4-Dihydro-1-(4-Nitrophenyl)-
CAS No.	220444-99-5
Molecular Formula	C15H11ClN2O3
Molecular Weight	302.71 g/mol
Synonyms	7-Chloro-1-(4-nitrophenyl)-3,4-dihydro-1H-2-benzopyran; 7-Chloro-1-(4-nitrophenyl)-3,4-dihydroisochromene; 1-(4-Nitrophenyl)-7-chloro-3,4-dihydro-1H-2-benzopyran; 7-Chloro-1-(p-nitrophenyl)-3,4-dihydroisochromene; 220444-99-5; 1H-2-Benzopyran, 7-chloro-3,4-dihydro-1-(4-nitrophenyl)-; 3,4-Dihydro-7-chloro-1-(4-nitrophenyl)-1H-2-benzopyran
EINECS	Contact for details

Quality Control

Our 1H-2-Benzopyran,7-Chloro-3,4-Dihydro-1-(4-Nitrophenyl)- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.