Description

3-Isothiazol-5-Ylbenzoic Acid is a high-purity organic compound that serves as a critical building block in advanced chemical synthesis. Its unique heterocyclic benzoic acid structure makes it a valuable intermediate for developing novel active ingredients. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create new molecules with targeted biological properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective applications.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Material Science: Serves as a monomer or functional additive in the creation of specialty polymers and advanced organic electronic materials.
• Chemical Synthesis: A versatile building block for constructing complex heterocyclic frameworks in medicinal and process chemistry.
• Bioconjugation: The carboxylic acid group enables coupling reactions for labeling probes or modifying biomolecules in life science research.

Basic Information

Product Name	3-Isothiazol-5-Ylbenzoic Acid
CAS No.	904085-98-9
Molecular Formula	C10H7NO2S
Molecular Weight	205.23 g/mol
Synonyms	5-(3-Carboxyphenyl)isothiazole; Benzoic acid, 3-(5-isothiazolyl)-; 3-(1,2-Thiazol-5-yl)benzoic acid; 3-(Isothiazol-5-yl)benzoic acid; 904085-98-9; 5-(3-Carboxyphenyl)-1,2-thiazole; Isothiazol-5-yl-benzoic acid
EINECS	Contact for details

Quality Control

Our 3-Isothiazol-5-Ylbenzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request, providing full traceability and quality assurance for your critical projects.

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 away from strong acids and organic solvents. The container must be kept tightly sealed to protect the integrity of the product.

Specification

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

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