Description

2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Acid-1,1-Dioxide is a high-purity, specialized heterocyclic organic compound that serves as a critical intermediate in advanced chemical synthesis. Its unique benzothiazine dioxide core structure makes it a valuable building block for developing novel active pharmaceutical ingredients (APIs) and fine chemicals. This product is essential for research and development laboratories, pharmaceutical manufacturers, and agrochemical companies seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Synthesis: Serves as a building block for creating specialized colorants and functional dyes.
• Material Science: Employed in the research of advanced polymers and organic electronic materials.
• Chemical Research: A versatile reagent for heterocyclic chemistry and the study of structure-activity relationships (SAR).
• Analytical Reference Standard: Used as a high-purity standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Acid-1,1-Dioxide
CAS No.	88741-92-8
Molecular Formula	C10H9NO5S
Molecular Weight	255.25 g/mol
Synonyms	2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid 1,1-dioxide; 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid 1,1-dioxide; 1,1-Dioxo-2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid; Benzothiazine dioxide derivative; L-732,138 (research code); Tenidap intermediate; Tenidap precursor; 1,2-Benzothiazine-3-carboxylic acid, 2-methyl-4-hydroxy-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Acid-1,1-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and research applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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