Description

2H-1,2-Oxazine-2-Carbonyl Chloride, 4-Chloro-3,6-Dihydro- (9Ci) is a specialized heterocyclic building block and reactive intermediate of significant interest in advanced organic synthesis. Its core value lies in the presence of both an acid chloride group and a chlorinated oxazine ring, enabling its use as a key precursor for constructing complex molecular architectures. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its reactive functional groups.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialized polymers and advanced functional materials.
• Chemical Biology Probes: Utilized for the synthesis of molecular probes and labeled compounds for biochemical and diagnostic research applications.
• Academic & Contract Research: A valuable reagent for methodology development and exploratory synthesis in university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	2H-1,2-Oxazine-2-Carbonyl Chloride, 4-Chloro-3,6-Dihydro- (9Ci)
CAS No.	124739-91-9
Molecular Formula	C5H5Cl2NO2
Molecular Weight	182.01 g/mol
Synonyms	4-Chloro-3,6-dihydro-2H-1,2-oxazine-2-carbonyl chloride; 4-Chloro-3,6-dihydro-2H-1,2-oxazine-2-carboxylic acid chloride; 4-Chloro-2H-1,2-oxazine-2-carbonyl chloride, 3,6-dihydro-; 4-Chloro-3,6-dihydro-2H-1,2-oxazine-2-carbonyl chloride (9CI); 4-Chloro-3,6-dihydro-2H-1,2-oxazine-2-carboxyl chloride
EINECS	Contact for details

Quality Control

Our production of 2H-1,2-Oxazine-2-Carbonyl Chloride, 4-Chloro-3,6-Dihydro- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for research and development purposes. Each lot is characterized using advanced analytical techniques, including NMR, HPLC, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after initial opening to prevent degradation. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white solid or clear to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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