Guide to 5-Chloro-2,3-Difluoropyridine (CAS 89402-43-7)
Table of Contents
- Product Overview & Specifications
- Parameter Comparison
- Key Applications
- Usage Guidelines
- Industry Case Studies
- Client Implementation Examples
- Contact for Technical Consultation
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 89402-43-7 |
| Chemical Formula | C5H2ClF2N |
| Molecular Weight | 149.53 g/mol |
| Appearance | White to off-white crystalline powder |
| Purity | ≥98% (HPLC) |
| Melting Point | 45-48°C |
| Boiling Point | 205-208°C |
| Storage Conditions | 2-8°C in inert atmosphere |
2. Parameter Comparison
| Vendor | Purity | Packaging | Price/kg |
|---|---|---|---|
| Supplier A | 98% | 1kg foil bag | $1,200 |
| Supplier B | 99% | 5kg drum | $1,050 |
| Vivalr Solutions | 99.5% | Custom packaging | $980 |
3. Key Applications
Pharmaceutical Intermediates
Critical component in synthesis of:
- Antiviral medications
- Kinase inhibitors
- Neuroprotective agents
Agrochemical Formulations
- Herbicide precursors
- Fungicide active ingredients
Advanced Material Synthesis
- Liquid crystal materials
- OLED precursors
4. Usage Guidelines
Handling Recommendations
- Use nitrogen glove boxes for moisture-sensitive reactions
- Maintain pH between 6.5-7.5 in aqueous systems
Reaction Optimization
| Reaction Type | Optimal Temperature | Catalyst Compatibility |
|---|---|---|
| Buchwald-Hartwig | 110-120°C | Pd(OAc)2/XPhos |
| Suzuki Coupling | 80-90°C | Pd(PPh3)4 |
5. Industry Case Studies
Case Study 1: Antiviral Drug Development
Client: European Pharma Research Group
Application: Nucleoside analog synthesis
Result: Achieved 92% yield in key coupling reaction
Case Study 2: Crop Protection Formulation
Client: Asian Agrochemical Manufacturer
Application: Systemic fungicide development
Result: 40% improvement in fungal resistance
6. Client Implementation Examples
Pharmaceutical Manufacturer (Germany)
- Annual consumption: 850kg
- Used in Phase III clinical trial material
- Purity requirement: 99.9%
Electronic Materials Supplier (USA)
- Application: Organic semiconductor synthesis
- Batch consistency: RSD <0.5%
- Custom particle size distribution
7. Contact for Technical Consultation
For formulation support or bulk pricing:
Email: info@vivalr.com
Phone: (86) 15866781826
Request free sample analysis:
[Submit technical requirements for customized quotation]



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