Description

3-Methoxy-1,2-Benzisothiazole is a versatile heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of advanced materials and active pharmaceutical ingredients. Industries such as agrochemicals, pharmaceuticals, and specialty chemical synthesis rely on this high-purity intermediate for research and production.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those with benzisothiazole-based pharmacophores.
• Agrochemical Synthesis: Used in the development of new-generation pesticides, herbicides, and fungicides.
• Material Science Research: Serves as a building block for organic electronic materials, dyes, and photoactive compounds.
• Chemical Research & Development: A valuable reagent for method development and exploring new heterocyclic chemistry.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands for coordination chemistry and catalysis.

Basic Information

Product Name	3-Methoxy-1,2-Benzisothiazole
CAS No.	40991-38-6
Molecular Formula	C8H7NOS
Molecular Weight	165.21 g/mol
Synonyms	3-Methoxybenzo[d]isothiazole; 3-Methoxy-1,2-benzisothiazole; 1,2-Benzisothiazole, 3-methoxy-; 3-Methoxybenzisothiazole; MBIT (abbreviation); 3-Methoxybenzoisothiazole
EINECS	Contact for details

Quality Control

Our 3-Methoxy-1,2-Benzisothiazole is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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