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Comprehensive Guide to 2-Bromo-3-Octylthiophene

Table of Contents

1. Basic Information & Specifications

2-Bromo-3-octylthiophene (CAS: 134506-44-8) is a brominated thiophene derivative with the molecular formula C12H19BrS and a molecular weight of 275.25 g/mol. Key specifications include:

Parameter Value
Appearance Clear to pale yellow liquid
Purity ≥98% (GC)
Boiling Point ~320°C (at 760 mmHg)
Solubility Soluble in THF, DCM, chloroform; insoluble in water

2. Detailed Applications

This compound is widely used in:

  • Organic Electronics: Building block for conductive polymers (e.g., P3HT derivatives) in OLEDs and organic photovoltaics.
  • Pharmaceuticals: Intermediate in synthesizing kinase inhibitors and anticancer agents.
  • Agrochemicals: Precursor for fungicides and herbicides.
  • Material Science: Monomer for functionalized polymers with tunable optoelectronic properties.

3. Parameter Comparison with Similar Compounds

Compound Reactivity Thermal Stability Cost Efficiency
2-Bromo-3-octylthiophene High (Suzuki coupling) Stable up to 200°C $$$
3-Hexylthiophene Moderate Stable up to 180°C $$
2-Bromo-5-methylthiophene Low Stable up to 150°C $$$

4. Usage Guidelines

  • Store under inert gas (N2 or Ar) at 2-8°C to prevent bromine displacement.
  • Use anhydrous solvents for reactions requiring high selectivity.
  • Optimal polymerization conditions: 60-80°C with Pd(PPh3)4 catalyst.

5. Industry Case Studies

Case 1: High-Efficiency OLED Manufacturing

A leading display company synthesized P3HT-Br using 2-bromo-3-octylthiophene, achieving 18% external quantum efficiency (EQE) in red-emitting OLEDs.

Case 2: Anticancer Drug Intermediate

PharmaCorp utilized this compound to develop a Bruton’s tyrosine kinase (BTK) inhibitor, reducing synthesis steps from 12 to 8 compared to traditional routes.

6. Real Client Use Cases

Client A: Organic Semiconductor Producer

  • Requirement: 500 kg/year for P3HT-based solar cells
  • Result: 12% power conversion efficiency (PCE) in bulk heterojunction devices

Client B: Agrochemical Innovator

  • Application: Synthesis of a broad-spectrum fungicide
  • Outcome: 95% yield in key bromination step, reducing production costs by 20%

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Drug impurities to intermediates. Years of expertise.

Experience in the synthesis of complex compounds derived from American technology
Focus on the synthesis of difficult compounds
ISO 17034 dual system certification
National high-tech enterprise
5000+ square meters R&D center
A 70+ R&D team led by Chinese and foreign doctors
150 pieces (sets) of R&D equipment, 120+ fume hoods
18 patents

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Through more than ten years of continuous technological innovation and experience accumulation, the team's R&D personnel have established a complete quality management system for CATO, and have successively obtained ISO9001, ISO17034, CNAS and other international certifications.
It has successfully passed on-site inspections from the United States, Australia, Poland, Japan and domestic pharmaceutical company customers and institutions many times, providing high-quality one-stop services for R&D and production of new drugs around the world.

More than 150 sets of equipment to ensure quality.

The emphasis on quality is the basis for our survival and development, and is the most basic requirement for the products and services we provide. CATO has established a scientific, strict and comprehensive quality prevention and assurance system in accordance with international quality standards. Through advanced testing equipment such as GC-MS, chromatograph, nuclear magnetic resonance, scanning electron microscope, and ultraviolet light, quality management is implemented into every aspect of production and operation activities such as raw materials, inventory, production, testing, sales, verification, and training, and "All actions are controlled and traceable" as the work code of conduct for CATO employees.

Over 1000 cases. Synthesize complex compounds.

Currently, CATO serves more than 500 pharmaceutical companies, biotechnology and other companies around the world. Project types cover the entire cycle from pre-clinical to commercialization stages. As of 2020, CATO has delivered more than 1,000 projects in total.
The company has core technologies in key core technology fields such as high-end fluorine chemistry, asymmetric chiral synthesis, glycoside and biological enzyme technology, and continuous microreactors.

About the company

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Technical direction

In the early stage, our company mainly engaged in drug impurity synthesis and standard product production, with core technologies in chirality, fluorine chemistry, and heterocycles.

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5000+

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150+

China(set) of R&D equipment

150+

Fume hood

180+

R&D team

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