Description

2-Tributylstannylbenzo[B]Thiophene CAS NO 148961-88-0 is a specialized organotin compound featuring a benzo[b]thiophene core functionalized with a tributylstannyl group. This structure makes it a valuable organometallic building block for advanced organic synthesis, particularly in cross-coupling reactions. It is primarily utilized by pharmaceutical researchers and material scientists developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, especially those containing heterocyclic thiophene scaffolds.
• Organic Synthesis Reagent: Acts as a stannylating agent in Stille cross-coupling reactions to form new carbon-carbon bonds.
• Material Science Research: Used in the development of organic semiconductors, conductive polymers, and advanced electronic materials.
• Agrochemical Development: Intermediate for creating novel active ingredients with potential pesticidal or herbicidal properties.
• Ligand Synthesis: Building block for creating specialized ligands used in catalysis and coordination chemistry.

Basic Information

Product Name	2-Tributylstannylbenzo[B]Thiophene
CAS No.	148961-88-0
Molecular Formula	C22H36SSn
Molecular Weight	451.27 g/mol
Synonyms	2-(Tributylstannyl)benzo[b]thiophene; Tributyl(2-benzo[b]thienyl)stannane; 2-Benzo[b]thienyltributyltin; 2-(Tributylstannyl)-1-benzothiophene; Benzo[b]thiophen-2-yltributylstannane; Stannane, tributyl(2-benzo[b]thienyl)-; 2-Tributyltinbenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our 2-Tributylstannylbenzo[B]Thiophene is manufactured under strict quality protocols. Each batch undergoes rigorous analytical testing, including NMR (¹H, ¹³C) and HPLC analysis, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxidation, the container should only be opened in an inert environment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Tin (Sn) Content	Contact for details

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