Description

4-(1H-Tetrazol-1-Yl)Benzene-1-Sulfonyl Chloride is a high-purity, specialized sulfonyl chloride derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a tetrazole ring and a reactive sulfonyl chloride group, makes it an invaluable reagent for constructing complex molecules with specific functionalities. This compound is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for applications in medicinal chemistry, drug discovery, and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of sulfonamide-based drugs.
• Medicinal Chemistry Research: Used in high-throughput screening and the construction of targeted compound libraries for drug discovery programs.
• Agrochemical Synthesis: Intermediate in the production of modern herbicides, fungicides, and insecticides that require sulfonylurea or tetrazole motifs.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialized polymers and advanced functional materials.
• Bioconjugation Reagent: Utilized in biochemical research for labeling proteins, peptides, and other biomolecules due to its reactive sulfonyl chloride group.

Basic Information

Product Name	4-(1H-Tetrazol-1-Yl)Benzene-1-Sulfonyl Chloride
CAS No.	1099660-63-5
Molecular Formula	C7H5ClN4O2S
Molecular Weight	244.66 g/mol
Synonyms	1-(4-Chlorosulfonylphenyl)-1H-tetrazole; 4-(1H-Tetrazol-1-yl)benzenesulfonyl chloride; p-(1H-Tetrazol-1-yl)benzenesulfonyl chloride; 1H-Tetrazole-1-benzenesulfonyl chloride, 4-; Benzenesulfonyl chloride, 4-(1H-tetrazol-1-yl)-; 4-(Tetrazol-1-yl)benzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 4-(1H-Tetrazol-1-Yl)Benzene-1-Sulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.