Description

1,2-Benzisothiazol-3(2H)-One,2-Ethyl-6-Methyl-,1-Oxide(9Ci) is a specialized heterocyclic compound belonging to the benzisothiazolone class, valued for its unique chemical reactivity and functional properties. This compound serves as a critical high-purity intermediate in advanced organic synthesis, enabling the development of novel molecules with targeted functionalities. It is primarily sought by pharmaceutical R&D and agrochemical sectors for the creation of new active ingredients, as well as by specialty chemical manufacturers exploring advanced material applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Active Ingredient Synthesis: Used in the research and development of new generation fungicides, herbicides, and plant growth regulators.
• Polymer Additive Precursor: Serves as a starting material for creating light stabilizers, antioxidants, and other performance-enhancing additives for plastics and coatings.
• Biocide Research: Investigated for its potential in formulating industrial preservatives and antimicrobial agents for material protection.
• Organic Electronic Material Development: Utilized in academic and industrial research for constructing complex organic molecules for optoelectronic applications.
• Dye and Pigment Intermediate: Acts as a precursor in the synthesis of specialized heterocyclic dyes and functional colorants.

Basic Information

Product Name	1,2-Benzisothiazol-3(2H)-One,2-Ethyl-6-Methyl-,1-Oxide(9Ci)
CAS No.	257952-99-1
Molecular Formula	C10H11NO2S
Molecular Weight	209.26 g/mol
Synonyms	2-Ethyl-6-methyl-1,2-benzisothiazol-3(2H)-one 1-oxide; 2-Ethyl-6-methylbenzo[d]isothiazol-3(2H)-one 1-oxide; 2-Ethyl-6-methyl-1,2-benzisothiazolin-3-one 1-oxide; 2-Ethyl-6-methylbenzisothiazol-3-one S-oxide; 1,2-Benzisothiazole, 3(2H)-one, 2-ethyl-6-methyl-, 1-oxide; 257952-99-1 (CAS); 2-Ethyl-6-methyl-3-oxo-2,3-dihydro-1,2-benzisothiazole 1-oxide
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzisothiazol-3(2H)-One,2-Ethyl-6-Methyl-,1-Oxide(9Ci) adheres to stringent GMP-like guidelines to ensure batch-to-batch consistency and high chemical purity suitable for research and scale-up. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, NMR, and MS, to verify identity and purity. A detailed Certificate of Analysis (COA) documenting all test results is 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture. Store away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 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.