Description

Pyrimido[4,5-E][1,4]Oxazepine (8Ci,9Ci) is a complex heterocyclic organic compound with the CAS number 26223-15-4, serving as a crucial advanced intermediate in modern synthetic chemistry. Its fused pyrimidine-oxazepine structure makes it a valuable building block for constructing novel molecular architectures with potential biological activity. This high-purity intermediate is primarily sought by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel drug candidates, particularly for central nervous system (CNS) and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a building block for creating specialty polymers and organic electronic materials with unique properties.
• Academic & R&D: Essential for methodological studies in organic synthesis and heterocyclic chemistry at universities and corporate R&D labs.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.

Basic Information

Product Name	Pyrimido[4,5-E][1,4]Oxazepine (8Ci,9Ci)
CAS No.	26223-15-4
Molecular Formula	C7H5N3O
Molecular Weight	147.14 g/mol
Synonyms	Pyrimido[4,5-e][1,4]oxazepine; 1,4-Oxazepino[6,5-e]pyrimidine; 1H-Pyrimido[4,5-e][1,4]oxazepine; 26223-15-4; Pyrimido-oxazepine; NSC 403058; CCRIS 9351; AI3-52266
EINECS	Contact for details

Quality Control

Our production of Pyrimido[4,5-E][1,4]Oxazepine (8Ci,9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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