Description

4-Methoxybenzo[D]Isothiazole is a high-purity organic heterocyclic compound serving as a versatile building block in advanced chemical synthesis. This compound is valued for its unique isothiazole core functionalized with a methoxy group, which imparts specific reactivity and properties crucial for developing complex molecules. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for applications ranging from active pharmaceutical ingredient (API) intermediates to specialized polymer additives.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel therapeutic agents, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the benzoisothiazole moiety can contribute to biological activity.
• Material Science Research: Acts as a precursor for functionalized polymers or organic electronic materials due to its electron-rich aromatic system.
• Chemical Research & Development: Serves as a fundamental building block in organic chemistry for constructing more complex heterocyclic frameworks in academic and industrial R&D labs.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the methoxybenzoisothiazole structure can influence color and stability.

Basic Information

Product Name	4-Methoxybenzo[D]Isothiazole
CAS No.	35272-30-1
Molecular Formula	C8H7NOS
Molecular Weight	165.21 g/mol
Synonyms	4-Methoxybenzo[d]isothiazole; 4-Methoxy-1,2-benzisothiazole; 4-Methoxybenzoisothiazole; 1,2-Benzisothiazole, 4-methoxy-; 4-Methoxy-1,2-benzothiazole; Benzo[d]isothiazole, 4-methoxy-; 35272-30-1
EINECS	Contact for details

Quality Control

Our 4-Methoxybenzo[D]Isothiazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity determination, residual solvent analysis, and identity confirmation via spectroscopic methods. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We adhere to cGMP principles where applicable to support our customers in regulated industry segments.

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 the container tightly sealed when not in use to prevent contamination and moisture absorption. Store away from incompatible materials.

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%
Residual Solvents (GC)	Meets ICH guidelines

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