Description

2H-Pyrido[4,3-D][1,3]Oxazine-2,4(1H)-Dione is a high-purity heterocyclic organic compound, identified by CAS NO 56788-14-8, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique fused-ring structure makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate and synthesize complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Research: Used in the development of new herbicides and pesticides with specific modes of action.
• Material Science: Serves as a building block for creating specialty polymers and organic electronic materials.
• Academic & Contract Research: A valuable reagent for universities and CROs conducting research in heterocyclic and medicinal chemistry.
• Fine Chemical Synthesis: Employed in multi-step synthetic routes to create complex, high-value specialty chemicals.

Basic Information

Product Name	2H-Pyrido[4,3-D][1,3]Oxazine-2,4(1H)-Dione
CAS No.	56788-14-8
Molecular Formula	C7H4N2O3
Molecular Weight	164.12 g/mol
Synonyms	2,4-Dioxo-1,2,3,4-tetrahydropyrido[4,3-d][1,3]oxazine; 1,2,3,4-Tetrahydro-2,4-dioxopyrido[4,3-d][1,3]oxazine; Pyrido[4,3-d][1,3]oxazine-2,4(1H,3H)-dione; 1H-Pyrido[4,3-d][1,3]oxazine-2,4-dione; 56788-14-8; 2H-Pyrido[4,3-d][1,3]oxazine-2,4(1H)-dione; 2,4(1H,3H)-Pyrido[4,3-d]pyrimidinedione (related structural isomer)
EINECS	Contact for details

Quality Control

Our 2H-Pyrido[4,3-D][1,3]Oxazine-2,4(1H)-Dione is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency suitable for demanding R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.