Description

1H-Pyrimido[4,5-C][1,2]Oxazine (9Ci) is a specialized heterocyclic organic compound with the CAS registry number 125765-61-9. This high-value intermediate is critical for advanced research and development in medicinal chemistry and material science. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for the synthesis of novel active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly for targeted therapies.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for developing new pharmacophores.
• Organic Synthesis: Serves as a versatile precursor for constructing complex fused heterocyclic systems in academic and industrial laboratories.
• Agrochemical Development: Potential application in the research of new crop protection agents and herbicides.
• Material Science: Investigated for use in the development of organic electronic materials and advanced polymers.

Basic Information

Product Name	1H-Pyrimido[4,5-C][1,2]Oxazine (9Ci)
CAS No.	125765-61-9
Molecular Formula	C6H4N4O
Molecular Weight	148.12 g/mol
Synonyms	1H-Pyrimido[4,5-c][1,2]oxazine; 1H-Pyrimido[4,5-C]-1,2-oxazine; Pyrimido[4,5-c][1,2]oxazine, 1H-; 125765-61-9; 1H-Pyrimido[4,5-c]1,2-oxazine; 1H-Pyrimido[4,5-c]-1,2-oxazine; 1H-Pyrimido[4,5-C][1,2]Oxazine; 1H-Pyrimido[4,5-c][1,2]oxazine (9CI)
EINECS	Contact for details

Quality Control

Every batch of 1H-Pyrimido[4,5-C][1,2]Oxazine (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Research 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.