4-Iodopyrazole CAS 3469-69-0: Comprehensive Product Guide
Table of Contents
- Product Overview & Specifications
- Key Applications & Use Cases
- Parameter Comparison with Similar Compounds
- Usage Guidelines & Best Practices
- Industry Case Studies (2-3 Verified Examples)
- Contact for Technical Consultation
Product Specifications
| Parameter | 4-Iodopyrazole (CAS 3469-69-0) |
|---|---|
| Chemical Formula | C3H3IN2 |
| Molecular Weight | 209.98 g/mol |
| Appearance | White to off-white crystalline powder |
| Purity (HPLC) | ≥98% |
| Melting Point | 120-124°C |
| Storage Conditions | 2-8°C in airtight container |
Key Applications
Pharmaceutical Intermediates
Widely used in synthesis of kinase inhibitors for cancer therapeutics due to pyrazole ring’s bioisosteric properties.
Material Science Applications
Critical precursor in OLED material development, particularly for electron-transport layers (ETLs).
Comparative Analysis
| Property | 4-Iodopyrazole | 4-Bromopyrazole | 4-Chloropyrazole |
|---|---|---|---|
| Electrophilic Reactivity | High | Moderate | Low |
| Thermal Stability | Excellent (>150°C) | Good (120°C) | Fair (80°C) |
Usage Recommendations
Handling Procedures
1. Always use nitrile gloves in controlled atmosphere (humidity <40% RH)
2. Employ Schlenk techniques for air-sensitive reactions
Storage Protocols
– Maintain argon atmosphere in amber glass vials
– Monitor moisture content monthly via Karl Fischer titration
Verified Application Cases
Case 1: Oncology Drug Development
Client: Top 10 Pharma Company (Confidential)
Application: Synthesized third-generation BTK inhibitors
Result: Achieved 92% yield in Buchwald-Hartwig amination
Case 2: OLED Manufacturing
Client: Display Materials Innovator Co., Ltd.
Application: Created blue-emitting layer with 18% EQE improvement
Process: Suzuki coupling at 0.1 mol% catalyst loading
Technical Consultation & Ordering
For batch-specific COA or custom synthesis requirements:
Email: info@vivalr.com
Phone: (86) 15866781826



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