Description

2-Chlorothiazole-5-Sulfonyl Chloride is a high-value, reactive chemical intermediate primarily used in the synthesis of more complex molecules. Its structure, featuring both a chlorothiazole ring and a sulfonyl chloride group, makes it a versatile building block for introducing specific functionalities into target compounds. This product is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries seeking to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing thiazole or sulfonamide moieties.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the thiazole ring contributes to biological activity.
• Dyestuff and Pigment Manufacturing: Serves as a building block for creating specialized dyes and pigments with unique color properties and stability.
• Polymer Chemistry: Can be utilized to introduce functional groups into polymers, modifying their physical or chemical properties for specialized applications.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries for screening.
• Ligand and Catalyst Preparation: Employed in the synthesis of specialized ligands and organocatalysts used in asymmetric synthesis and other catalytic processes.

Basic Information

Item	Detail
Product Name	2-Chlorothiazole-5-Sulfonyl Chloride
CAS No.	88917-11-7
Molecular Formula	C3HCl2NO2S2
Molecular Weight	218.08 g/mol
Synonyms	2-Chloro-1,3-thiazole-5-sulfonyl chloride; 2-Chloro-5-thiazolesulfonyl chloride; 5-Chloro-2-thiazolesulfonyl chloride; Thiazole, 2-chloro-5-sulfonyl chloride; 2-Chlorothiazole-5-sulfonylchloride; 2-Chloro-δ2-thiazoline-5-sulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Chlorothiazole-5-Sulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for demanding synthetic applications. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to verify identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting all test results are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.