Description

1H-Pyrimido[4,5-E][1,3,4]Oxadiazine (9Ci) is a specialized heterocyclic organic compound featuring a fused pyrimidine-oxadiazine ring system, serving as a high-value chemical intermediate and pharmacophore in advanced synthesis. This compound is critical for research and development in medicinal chemistry, where its unique scaffold is leveraged to create novel bioactive molecules. It is primarily sought by pharmaceutical R&D teams, agrochemical innovators, and academic research institutions focused on drug discovery and material science.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Agrochemical Development: Intermediate in the research and synthesis of new active ingredients for crop protection.
• Chemical Biology Probes: Used in the development of molecular probes to study biological pathways and enzyme functions.
• Material Science Precursor: Potential starting material for the development of advanced organic electronic materials or ligands in catalysis.
• Contract Research & Manufacturing (CRO/CMO): Supplied to service organizations supporting custom synthesis and scale-up projects.

Basic Information

Product Name	1H-Pyrimido[4,5-E][1,3,4]Oxadiazine (9Ci)
CAS No.	74664-58-7
Molecular Formula	C5H2N4O
Molecular Weight	134.10 g/mol
Synonyms	1H-Pyrimido[4,5-e][1,3,4]oxadiazine; Pyrimido[4,5-e]-1,3,4-oxadiazine; 1H-Pyrimido[4,5-e][1,3,4]oxadiazine (9CI); [1,3,4]Oxadiazino[5,6-e]pyrimidine; 74664-58-7; 1H-Pyrimido[4,5-e]-1,3,4-oxadiazine; 1,3,4-Oxadiazino[5,6-e]pyrimidine
EINECS	Contact for details

Quality Control

Our 1H-Pyrimido[4,5-E][1,3,4]Oxadiazine (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data from HPLC, NMR, and mass spectrometry. Our quality commitment aligns with the standards expected for GMP-grade intermediates and research chemicals.

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). This compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified for the specific grade. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Purity (HPLC)	≥ 98.0% (High Purity Grade)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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