Description

2-(3-Oxobenzo[D]Isothiazol-2(3H)-Yl)Acetic Acid is a specialized heterocyclic carboxylic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique benzoisothiazolone scaffold, which is integral to developing compounds with targeted biological and material science properties. This high-purity intermediate is essential for research and production in the pharmaceutical and agrochemical sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and fungicides that leverage the isothiazolone moiety.
• Material Science Research: Serves as a precursor for functional polymers or organic electronic materials due to its fused aromatic system.
• Bioconjugation Chemistry: The acetic acid side chain allows for coupling reactions, making it useful for creating labeled probes or protein conjugates in biochemical research.
• Organic Synthesis Reference Standard: Employed as a high-purity standard in analytical laboratories for method development and quality control.

Basic Information

Product Name	2-(3-Oxobenzo[D]Isothiazol-2(3H)-Yl)Acetic Acid
CAS No.	82152-06-5
Molecular Formula	C9H7NO3S
Molecular Weight	209.22 g/mol
Synonyms	2-(3-Oxo-1,2-benzisothiazol-2(3H)-yl)acetic acid; 2-(3-Oxobenzo[d]isothiazol-2(3H)-yl)acetic acid; 2-(3-Oxo-1,2-benzothiazol-2-yl)acetic acid; Benzoisothiazolone acetic acid derivative; 2-(3-Oxo-2,3-dihydrobenzo[d]isothiazol-2-yl)acetic acid; 82152-06-5; 2-(3-Oxobenzoisothiazol-2-yl)acetic acid
EINECS	Contact for details

Quality Control

Our 2-(3-Oxobenzo[D]Isothiazol-2(3H)-Yl)Acetic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to relevant industry standards for fine chemical intermediates, and custom synthesis and purification to meet specific client specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.