Description

4H,8H-Benzo[1,2-C:5,4-C]Diisoxazole(8Ci,9Ci) is a specialized heterocyclic organic compound with the CAS number 267-53-8. This high-purity chemical building block is valued for its unique fused isoxazole structure, which is critical for synthesizing advanced materials and complex pharmaceutical intermediates. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel compounds with specific electronic or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in developing new generations of herbicides and fungicides, leveraging its heterocyclic core for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Acts as an electron-transport material or a core structure for emissive layer dopants in electronic display technologies.
• Coordination Chemistry & Ligand Synthesis: The nitrogen and oxygen atoms in its structure make it a useful chelating ligand for constructing metal-organic frameworks (MOFs) or catalysts.
• Dye & Pigment Chemistry: Employed as a building block for synthesizing specialized dyes and pigments with enhanced light-fastness and color properties.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	4H,8H-Benzo[1,2-C:5,4-C]Diisoxazole(8Ci,9Ci)
CAS No.	267-53-8
Molecular Formula	C9H6N2O2
Molecular Weight	174.16 g/mol
Synonyms	Benzo[1,2-c:5,4-c']diisoxazole; 4H,8H-Benzo[1,2-c:5,4-c']diisoxazole; 1,2:5,4-Bis(isoxazole)benzene; 267-53-8; NSC 163049; Benzo-1,2-c:5,4-c'-diisoxazole; 4H,8H-Benzo[1,2-c:5,4-c']diisoxazole, 8ci,9ci
EINECS	Contact for details

Quality Control

Our 4H,8H-Benzo[1,2-C:5,4-C]Diisoxazole(8Ci,9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and production. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

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 maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.