Description

4-(3-Methyl-Isothiazol-5-Yl)-Benzoic Acid Methyl Ester is a high-purity organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. This compound is valued for its unique heterocyclic benzoate structure, which provides a versatile chemical handle for constructing complex molecules. It is primarily sought after by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Research: Used in the development of new-generation fungicides or herbicides, leveraging the bioactivity of the isothiazole moiety.
• Material Science: Serves as a precursor for specialty polymers or organic electronic materials requiring specific heterocyclic components.
• Chemical Synthesis: Employed in organic chemistry research as a versatile ester derivative for further functionalization, such as hydrolysis to the corresponding acid or transesterification.
• Life Science Reagents: Potential use in the development of biochemical probes or diagnostic agents due to its distinct molecular scaffold.

Basic Information

Product Name	4-(3-Methyl-Isothiazol-5-Yl)-Benzoic Acid Methyl Ester
CAS No.	39101-02-5
Molecular Formula	C12H11NO2S
Molecular Weight	233.29 g/mol
Synonyms	Methyl 4-(3-methyl-1,2-thiazol-5-yl)benzoate; 5-(4-Methoxycarbonylphenyl)-3-methylisothiazole; Benzoic acid, 4-(3-methyl-5-isothiazolyl)-, methyl ester; Methyl 4-(3-methylisothiazol-5-yl)benzoate; 4-(3-Methylisothiazol-5-yl)benzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 4-(3-Methyl-Isothiazol-5-Yl)-Benzoic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure high consistency and reliability for your research and development processes. Certificates of Analysis (COA) with detailed specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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