Description

9H-Carbazole-3-Sulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative of carbazole, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a versatile sulfonylation reagent, enabling the introduction of the carbazole-sulfonyl moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of kinase inhibitors, receptor antagonists, and other small-molecule drug candidates.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and plant growth regulators with enhanced activity.
• Functional Material Development: Building block for organic light-emitting diodes (OLEDs), photoconductive materials, and charge-transporting molecules.
• Dye and Pigment Chemistry: Intermediate for producing specialized carbazole-based dyes and pigments.
• Polymer Modification: Agent for introducing sulfonamide functional groups into polymer backbones to alter physical properties.
• Research & Development: Versatile reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	9H-Carbazole-3-Sulfonyl Chloride
CAS No.	21421-43-2
Molecular Formula	C₁₂H₈ClNO₂S
Molecular Weight	265.72 g/mol
Synonyms	Carbazole-3-sulfonyl chloride; 3-Carbazolesulfonyl chloride; 9H-Carbazol-3-ylsulfonyl chloride; 21421-43-2; Carbazol-3-sulfonsäurechlorid; Chlorure de 9H-carbazol-3-sulfonyle
EINECS	Contact for details

Quality Control

Our 9H-Carbazole-3-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for research and commercial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	< 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.