Description

Pyrimido[5,4-F][1,4]Oxazepine (9Ci) is a high-purity, specialized heterocyclic organic compound with the CAS registry number 574003-58-0. This advanced chemical intermediate is valued for its unique fused-ring structure, which serves as a critical building block in sophisticated synthetic pathways. It is primarily sought after by research institutions and pharmaceutical development companies engaged in the discovery and synthesis of novel active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

This compound serves as a versatile intermediate in advanced chemical synthesis. Key application areas include:

• Pharmaceutical Research & Development: As a key scaffold or precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and oncology research.
• Agrochemical Innovation: Utilized in the development of new-generation pesticides and herbicides, leveraging its complex heterocyclic core.
• Material Science: Potential use as a monomer or additive in the creation of specialty polymers and advanced organic electronic materials.
• Academic & Contract Research: Serves as a valuable reagent for methodological studies and the exploration of new organic reactions in academic and industrial R&D laboratories.

Basic Information

Product Name	Pyrimido[5,4-F][1,4]Oxazepine (9Ci)
CAS No.	574003-58-0
Molecular Formula	C7H5N3O
Molecular Weight	147.14 g/mol
Synonyms	Pyrimido[5,4-f][1,4]oxazepine; 1,4-Oxazepino[6,5-f]pyrimidine; 9CI Index Name; Pyrimido-oxazepine derivative; CAS 574003-58-0; 1,4-Oxazepine, pyrimido[5,4-f]- (9CI)
EINECS	Contact for details

Quality Control

Our Pyrimido[5,4-F][1,4]Oxazepine (9Ci) is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the exacting standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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