Description

5H-1,2-Oxathiole-4-Carbonylchloride,5-Oxo-,2,2-Dioxide(9Ci) is a specialized heterocyclic sulfonyl chloride derivative, serving as a high-value synthetic intermediate in advanced organic synthesis. Its core value lies in its unique reactivity profile, enabling the efficient construction of complex molecular scaffolds, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce functionalized oxathiole or sulfonamide motifs.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those containing sulfonamide or heterocyclic sulfone pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or chemical resistance properties.
• Chemical Biology Probes: Utilized to create activity-based probes for studying enzyme function and biological pathways involving sulfhydryl or amine groups.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals for electronics and catalysis.

Basic Information

Product Name	5H-1,2-Oxathiole-4-Carbonylchloride,5-Oxo-,2,2-Dioxide(9Ci)
CAS No.	103625-58-7
Molecular Formula	C4H2ClNO4S
Molecular Weight	195.58 g/mol
Synonyms	5-Oxo-5H-1,2-oxathiole-4-carbonyl chloride 2,2-dioxide; 1,2-Oxathiole-4-carbonyl chloride, 5H-, 5-oxo-, 2,2-dioxide; 5H-1,2-Oxathiole-4-carbonyl chloride, 5-oxo-, 2,2-dioxide; 4-(Chlorocarbonyl)-5H-1,2-oxathiole 2,2-dioxide 5-oxide; Oxathiole sulfonyl chloride derivative; 5-Oxo-δ4-1,2-oxathiole-4-carbonyl chloride S,S-dioxide
EINECS	Contact for details

Quality Control

Our 5H-1,2-Oxathiole-4-Carbonylchloride,5-Oxo-,2,2-Dioxide(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality systems are designed to support cGMP compliance for pharmaceutical intermediate applications, and we can tailor specifications to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.