4,4′-Dimethoxytrityl Chloride (CAS 40615-36-9) Comprehensive User Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | 4,4′-Dimethoxytrityl Chloride | Industry Benchmark |
|---|---|---|
| CAS Number | 40615-36-9 | N/A |
| Molecular Formula | C21H19ClO2 | Varies by compound |
| Molecular Weight | 338.83 g/mol | 300-350 g/mol (typical for analogs) |
| Melting Point | 119-125°C | 110-130°C (common range) |
| Purity Grade | ≥98% | ≥95% (standard) |
| Packaging Options | 10g, 25g, 50g, 100g, 500g, 1kg | Limited bulk options |
2. Key Applications & Functional Insights
- Nucleotide Chemistry: Preferred hydroxyl protecting agent for 5′-OH groups in oligonucleotide synthesis
- Pharmaceutical Intermediates: Critical in nucleoside analog production for antiviral/anticancer therapies
- Solid-Phase Synthesis: Enables controlled coupling reactions in automated DNA/RNA synthesizers
- Catalytic Systems: Facilitates selective protection in complex molecular architectures
3. Operational Protocols & Industry Applications
Best Practices:
- Use anhydrous conditions (≤50 ppm H2O) for optimal reaction efficiency
- Maintain 0-5°C during coupling reactions to prevent side reactions
- Employ 3-5 molar equivalents for complete protection of hydroxyl groups
Industrial Implementations:
- Antiviral drug synthesis (e.g., Remdesivir intermediates)
- siRNA production for gene therapy applications
- Diagnostic probe manufacturing
4. Client Success Stories
Case Study 1: Biopharmaceutical Leader
Challenge: Required 99.5% purity for GMP-compliant oligonucleotide production
Solution: Custom purification protocol implementation
Outcome: Achieved 99.7% purity with 22% yield improvement
Case Study 2: Academic Research Consortium
Challenge: Needed micro-scale batches for high-throughput screening
Solution: Developed 100mg precision packaging
Outcome: Enabled 150+ parallel reactions with 98% success rate
5. Contact for Technical Consultation
For formulation support or custom synthesis requirements:
Email: info@vivalr.com
Phone: (86) 15866781826



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