Description

3,5-Bis(Methylthio)-4-Phenylisothiazole is a specialized heterocyclic organic compound featuring a phenyl-substituted isothiazole core with two methylthio functional groups. This unique molecular structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for the development of novel pharmaceuticals and agrochemicals. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Synthesis: Serves as a crucial building block in the creation of novel pesticides, herbicides, or fungicides with specific modes of action.
• Material Science Research: Used in the development of advanced organic materials, such as organic semiconductors or liquid crystals, due to its electron-rich heterocyclic structure.
• Chemical Biology Probes: Employed in the synthesis of molecular probes for studying biological processes and enzyme functions.
• Organic Synthesis Reagent: Acts as a versatile reagent in complex organic transformations, including cyclization and cross-coupling reactions.

Basic Information

Product Name	3,5-Bis(Methylthio)-4-Phenylisothiazole
CAS No.	35537-36-1
Molecular Formula	C11H11NS3
Molecular Weight	253.40 g/mol
Synonyms	4-Phenyl-3,5-bis(methylthio)isothiazole; 3,5-Bis(methylsulfanyl)-4-phenyl-1,2-thiazole; 4-Phenyl-3,5-bis(methylsulfanyl)isothiazole; 3,5-Dimethylsulfanyl-4-phenylisothiazole; 35537-36-1; 4-Phenyl-3,5-bis(methylmercapto)isothiazole
EINECS	Contact for details

Quality Control

Our 3,5-Bis(Methylthio)-4-Phenylisothiazole is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent chemical identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee reliable performance in your sensitive synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (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.