4,4′-Dimethoxytrityl chloride CAS 40615-36-9

Chemical Name: 4,4′-Dimethoxytrityl chloride
CAS No.: 40615-36-9
Molecular Formula: C21H19ClO2
Molecular Weight: 338.83
Appearance: Powder

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4,4′-Dimethoxytrityl Chloride (CAS 40615-36-9) Comprehensive User Guide

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:

  1. Use anhydrous conditions (≤50 ppm H2O) for optimal reaction efficiency
  2. Maintain 0-5°C during coupling reactions to prevent side reactions
  3. 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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