Description

6H,8H-3,4-Dihydropyrimido(4,5-C)(1,2)Oxazin-7-One is a high-purity heterocyclic organic compound with the CAS registry number 126128-35-6, serving as a critical advanced intermediate in modern synthetic chemistry. Its fused pyrimidine-oxazine structure makes it a valuable building block for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders 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 specialized polymers, ligands, or organic electronic materials.
• Academic & Contract Research: Employed in medicinal chemistry and organic synthesis research within universities and CROs (Contract Research Organizations).
• Chemical Library Synthesis: Used for the preparation of diverse compound libraries for high-throughput screening in drug discovery.

Basic Information

Product Name	6H,8H-3,4-Dihydropyrimido(4,5-C)(1,2)Oxazin-7-One
CAS No.	126128-35-6
Molecular Formula	C7H6N4O2
Molecular Weight	178.15 g/mol
Synonyms	3,4-Dihydropyrimido[4,5-c][1,2]oxazin-7(8H)-one; 6H,8H-3,4-Dihydropyrimido(4,5-C)(1,2)Oxazin-7-One; Pyrimido[4,5-c][1,2]oxazin-7(8H)-one, 3,4-dihydro-; 126128-35-6; Dihydropyrimidooxazinone; SCHEMBL11806279; BCP14213; ZINC000253909911
EINECS	Contact for details

Quality Control

Our 6H,8H-3,4-Dihydropyrimido(4,5-C)(1,2)Oxazin-7-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with your specifications and supporting regulatory requirements for research and development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.