Description

2H-1,4-Benzoxazine-3(4H)-Thione, 5-Chloro-4-Methyl- is a high-purity, heterocyclic organic compound with a fused benzoxazine-thione core structure, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular architecture makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for process development and scale-up.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and antimicrobial compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Material Science: Serves as a monomer or functional additive in the research of advanced polymers, dyes, and photoactive materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic systems via reactions at the thione or chlorinated positions.
• Chemical Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	2H-1,4-Benzoxazine-3(4H)-Thione, 5-Chloro-4-Methyl-
CAS No.	73500-72-8
Molecular Formula	C9H6ClNOS
Molecular Weight	211.67 g/mol
Synonyms	5-Chloro-4-methyl-2H-1,4-benzoxazine-3(4H)-thione; 5-Chloro-4-methyl-3,4-dihydro-2H-1,4-benzoxazine-3-thione; 5-Chloro-4-methyl-1,4-benzoxazine-3-thione; 73500-72-8; 5-Chloro-4-methyl-2H-benzo[b][1,4]oxazine-3(4H)-thione
EINECS	Contact for details

Quality Control

Our production of 2H-1,4-Benzoxazine-3(4H)-Thione, 5-Chloro-4-Methyl- adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all critical parameters are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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