Description

3,5-Bis(Methylthio)-4-Nitrosoisothiazole is a specialized heterocyclic compound featuring a nitroso functional group on an isothiazole core, which is substituted with methylthio groups at the 3 and 5 positions. This unique structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and functional materials. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for creating novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting infectious diseases or possessing specific biological activities.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its reactive nitroso and heterocyclic structure.
• Chemical Research & Development: Acts as a versatile building block for constructing complex heterocyclic frameworks in academic and industrial research settings.
• Material Science: Potential use in the development of specialty polymers, dyes, or photoactive materials due to its specific electronic properties.
• Cross-Coupling Reactions: The methylthio groups can act as potential leaving groups or directing groups in metal-catalyzed cross-coupling reactions.

Basic Information

Product Name	3,5-Bis(Methylthio)-4-Nitrosoisothiazole
CAS No.	37589-39-2
Molecular Formula	C5H6N2O1S3
Molecular Weight	206.30 g/mol
Synonyms	4-Nitroso-3,5-bis(methylthio)isothiazole; 3,5-Bis(methylthio)-4-nitroso-isothiazole; 4-Nitroso-3,5-bis(methylsulfanyl)-1,2-thiazole; 4-Nitroso-3,5-bis(methylmercapto)isothiazole; 3,5-Dimethylthio-4-nitrosoisothiazole; Isothiazole, 3,5-bis(methylthio)-4-nitroso-
EINECS	Contact for details

Quality Control

Every batch of 3,5-Bis(Methylthio)-4-Nitrosoisothiazole is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to handle and store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability, especially after opening the original container. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange 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.