Description

4-(3-Oxo-1,2-benzisothiazol-2(3H)-yl)butanoic acid is a specialized heterocyclic carboxylic acid derivative featuring a benzisothiazolone core. This compound serves as a versatile and valuable chemical intermediate and building block in advanced organic synthesis. It is primarily utilized by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic systems for material science and chemical research.
• Bioconjugation & Probe Development: Potential use in creating fluorescent probes or affinity labels for biochemical research due to its reactive functional groups.
• Polymer Modification: Can be used to introduce specific functional groups into polymer chains to alter material properties.

Basic Information

Product Name	4-(3-Oxo-1,2-benzisothiazol-2(3H)-yl)butanoic Acid
CAS No.	89139-50-4
Molecular Formula	C11H11NO3S
Molecular Weight	237.27 g/mol
Synonyms	4-(3-Oxo-1,2-benzisothiazol-2(3H)-yl)butyric Acid; 2-(3-Carboxypropyl)-1,2-benzisothiazol-3(2H)-one; 4-(3-Oxo-1,2-benzisothiazol-2-yl)butanoic Acid; 4-(3-Oxobenzo[d]isothiazol-2(3H)-yl)butanoic Acid; 2-(3-Carboxypropyl)benzisothiazol-3-one; Butanoic acid, 4-(3-oxo-1,2-benzisothiazol-2(3H)-yl)-; 4-(1,2-Benzisothiazol-3(2H)-on-2-yl)butanoic acid
EINECS	Contact for details

Quality Control

Our production of 4-(3-Oxo-1,2-benzisothiazol-2(3H)-yl)butanoic acid adheres to stringent internal quality standards 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 can tailor specifications to meet specific research-grade or GMP intermediate requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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