Description

3-Diazobenzo[B]Thiophen-2(3H)-One is a specialized heterocyclic diazo compound that serves as a versatile intermediate in advanced organic synthesis. Its unique molecular structure makes it a valuable precursor for constructing complex sulfur-containing heterocycles and functionalized materials. This high-purity intermediate is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for synthesizing novel active ingredients and exploring new chemical entities.

Application

• Key synthetic intermediate for the preparation of novel benzo[b]thiophene derivatives with potential biological activity.
• Precursor in the development of pharmaceutical compounds, including kinase inhibitors and other small molecule therapeutics.
• Building block for advanced materials research, particularly in the synthesis of organic semiconductors and photoresponsive molecules.
• Used in agrochemical research for creating new crop protection agents and herbicides.
• Intermediate in the synthesis of dyes, pigments, and other specialty chemicals requiring the benzo[b]thiophene scaffold.
• Valuable reagent in academic and industrial R&D for method development and exploration of new diazo transfer reactions.

Basic Information

Product Name	3-Diazobenzo[B]Thiophen-2(3H)-One
CAS No.	54518-09-1
Molecular Formula	C8H4N2OS
Molecular Weight	176.20 g/mol
Synonyms	3-Diazo-1-benzothiophen-2(3H)-one; 3-Diazo-2(3H)-benzothiophenone; 2H-Benzothiophen-2-one, 3-diazo-; 3-Diazobenzo[b]thiophen-2(3H)-one; 3-Diazo-benzo[b]thiophen-2-one; 3-Diazo-2-benzothiophenone; 3-Diazo-2-oxo-2,3-dihydrobenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our 3-Diazobenzo[B]Thiophen-2(3H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by spectroscopic methods (NMR, IR), to ensure it meets the high standards required for research and process development. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and reliability for your critical synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange 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.