Description

Pyrano[4,3,2-Cd]-2,1-Benzisoxazole (9Ci) is a high-purity, specialized heterocyclic organic compound of significant interest in advanced chemical synthesis. This compound serves as a critical building block and intermediate for the development of novel pharmaceuticals and functional materials. It is primarily sought by research institutions and industrial R&D departments focused on medicinal chemistry, agrochemicals, and material science.

Application

This advanced chemical intermediate enables innovation across several high-value research and development sectors.

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in developing new active ingredients for crop protection and pest management solutions.
• Material Science: Serves as a monomer or precursor for creating specialized polymers and organic electronic materials.
• Academic & Industrial R&D: A valuable tool for synthetic organic chemists exploring new heterocyclic chemistry and reaction pathways.
• Fluorescent Dye & Sensor Development: The fused ring system is investigated for potential use in creating novel fluorophores and chemosensors.

Basic Information

Item	Details
Product Name	Pyrano[4,3,2-Cd]-2,1-Benzisoxazole (9Ci)
CAS No.	89381-25-9
Molecular Formula	C10H5NO2
Molecular Weight	171.15 g/mol
Synonyms	Pyrano[4,3,2-cd]-2,1-benzisoxazole; 2,1-Benzisoxazole, pyrano[4,3,2-cd]-; 1-Oxa-2-aza-cyclopenta[cd]phenalene; 9H-Pyrano[4,3,2-cd]benzisoxazole; 1-Oxa-2-azacyclopenta[cd]phenalene; Pyranobenzisoxazole; Fused benzisoxazole derivative
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity for research applications. All batches of Pyrano[4,3,2-Cd]-2,1-Benzisoxazole (9Ci) are analyzed using advanced techniques including HPLC, GC-MS, and NMR to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.