Description

7-Chloro-4H-Pyrido[4,3-B][1,4]Oxazin-3-One is a high-purity heterocyclic organic compound that serves as a critical building block in advanced pharmaceutical research and development. Its value lies in its unique fused bicyclic structure, which is essential for constructing novel active pharmaceutical ingredients (APIs) with targeted therapeutic effects. This intermediate is primarily needed by pharmaceutical companies, contract research organizations (CROs), and fine chemical manufacturers engaged in the synthesis of complex drug candidates.

Application

This versatile chemical intermediate is designed for high-value synthesis applications, particularly in the life sciences sector.

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Active Pharmaceutical Ingredient (API) Development: Used in research-scale and process development for new APIs, leveraging its fused oxazinone-pyridine scaffold.
• Medicinal Chemistry & Drug Discovery: Serves as a privileged scaffold for constructing compound libraries for high-throughput screening (HTS) and structure-activity relationship (SAR) studies.
• Contract Research & Manufacturing (CRAM): Supplied to CROs and CDMOs for custom synthesis projects requiring high-purity, complex heterocycles.
• Chemical Biology Research: Utilized as a molecular probe or tag in biochemical research due to its specific reactivity and structural features.

Basic Information

Product Name	7-Chloro-4H-Pyrido[4,3-B][1,4]Oxazin-3-One
CAS No.	1206977-63-0
Molecular Formula	C7H5ClN2O2
Molecular Weight	184.58 g/mol
Synonyms	7-Chloro-4H-pyrido[4,3-b][1,4]oxazin-3(4H)-one; 7-Chloro-3,4-dihydro-4H-pyrido[4,3-b][1,4]oxazin-3-one; 7-Chloro-4H-[1,4]oxazino[4,3-b]pyridin-3-one; 7-Chloro-3-oxo-3,4-dihydro-4H-pyrido[4,3-b][1,4]oxazine; 1206977-63-0; SCHEMBL23846827; AKOS040759295; F2198-6471
EINECS	Contact for details

Quality Control

Our 7-Chloro-4H-Pyrido[4,3-B][1,4]Oxazin-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for pharmaceutical intermediate applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.