Description

Benzothiazole, 2-(Ethenylsulfonyl)- (9Ci) is a specialized sulfur- and nitrogen-containing heterocyclic compound featuring a reactive vinyl sulfone moiety. This unique structure makes it a valuable high-purity chemical intermediate for advanced synthesis, particularly in the development of functional polymers and active pharmaceutical ingredients. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those targeting specific enzymes or receptors via Michael addition reactions.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that leverage the benzothiazole core for bioactivity.
• Polymer & Material Science: Serves as a functional monomer or cross-linking agent for creating specialty polymers, coatings, and adhesives with enhanced thermal or chemical resistance.
• Chemical Research: A versatile reagent in organic synthesis for constructing sulfur-heterocycle libraries and exploring new reaction pathways in medicinal chemistry.
• Dye & Pigment Intermediate: Potential precursor in the development of specialized dyes and optical brighteners due to the benzothiazole scaffold.

Basic Information

Product Name	Benzothiazole, 2-(Ethenylsulfonyl)- (9Ci)
CAS No.	2591-09-5
Molecular Formula	C9H7NO2S2
Molecular Weight	225.29 g/mol
Synonyms	2-Vinylsulfonylbenzothiazole; 2-(Vinylsulfonyl)benzothiazole; Benzothiazole, 2-(vinylsulfonyl)-; 2-Ethenylsulfonylbenzothiazole; 1,3-Benzothiazole, 2-(ethenylsulfonyl)-; 2-(Ethenylsulfonyl)-1,3-benzothiazole; 2-Vinylsulfonyl-1,3-benzothiazole
EINECS	Contact for details

Quality Control

Our Benzothiazole, 2-(Ethenylsulfonyl)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR), to ensure it meets exacting R&D and pilot-scale requirements. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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.