Description

4-Methoxy-2H-1,4-Benzothiazin-3(4H)-One 1,1-Dioxide is a high-purity, specialized heterocyclic sulfone compound. It serves as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. This product is essential for research and development laboratories and manufacturing facilities in the pharmaceutical, agrochemical, and fine chemical sectors seeking reliable, high-quality synthetic precursors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel therapeutic agents, particularly those targeting the central nervous system.
• Agrochemical Research: Used as a building block for developing new active ingredients in crop protection products.
• Organic Synthesis: A versatile reagent for constructing complex benzothiazine-based heterocycles in academic and industrial research.
• Material Science: Potential monomer or additive in the development of specialized polymers and advanced materials.
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development and quality control in chemical analysis.

Basic Information

Product Name	4-Methoxy-2H-1,4-Benzothiazin-3(4H)-One 1,1-Dioxide
CAS No.	21068-98-4
Molecular Formula	C9H9NO4S
Molecular Weight	227.24 g/mol
Synonyms	4-Methoxy-2H-1,4-benzothiazin-3(4H)-one 1,1-dioxide; 4-Methoxy-1,4-benzothiazin-3-one 1,1-dioxide; 4-Methoxy-3-oxo-1,4-benzothiazine 1,1-dioxide; 4-Methoxy-2H-1,4-benzothiazine-3(4H)-one 1,1-dioxide; 21068-98-4; 4-Methoxy-1,1-dioxo-1,4-benzothiazin-3-one
EINECS	Contact for details

Quality Control

Our production of 4-Methoxy-2H-1,4-Benzothiazin-3(4H)-One 1,1-Dioxide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white 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.