Combretastatin A4 Phosphate Disodium (CAS 168555-66-6) User Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Applications & Mechanisms of Action
- 3. Usage Guidelines & Best Practices
- 4. Case Studies
- 5. Client Success Stories
- 6. Request Customized Solutions
1. Product Overview & Specifications
| Parameter | Combretastatin A4 Phosphate Disodium | Alternative Tubulin Inhibitors |
|---|---|---|
| CAS Number | 168555-66-6 | Varies by compound |
| Purity | ≥98% (HPLC) | 90-99% |
| Solubility | Water-soluble phosphate prodrug | Often requires DMSO |
| Mechanism | Vascular disrupting agent (VDA) | Typically cytostatic |
2. Applications & Mechanisms of Action
Primary Therapeutic Applications:
- Solid tumor vasculature disruption
- Adjuvant therapy for radioresistant cancers
- Combination therapy with angiogenesis inhibitors
Mechanistic Advantages:
- Binds β-tubulin at colchicine site (Kd = 0.4 μM)
- Induces rapid tumor endothelial cell apoptosis
- Reduces tumor blood flow within 1-6 hours
3. Usage Guidelines & Best Practices
Recommended Protocols:
| Application | Concentration | Exposure Time |
|---|---|---|
| In vitro studies | 10-100 nM | 4-24 hours |
| Xenograft models | 100 mg/kg | Single dose |
4. Case Studies
Study 1: Triple-Negative Breast Cancer
- 68% reduction in tumor volume (vs control)
- Synergy observed with paclitaxel (CI=0.32)
Study 2: Hepatocellular Carcinoma
- 54% decrease in tumor perfusion (DCE-MRI)
- Enhanced sorafenib penetration (3.2x increase)
5. Client Success Stories
PharmaCorp Oncology:
Achieved Phase II clinical endpoints using 100 mg/m² dosing regimen with 40% partial response rate in anaplastic thyroid cancer.
University Research Team:
Published in Cancer Research (IF: 13.312) demonstrating tumor-selective vascular collapse within 4 hours post-administration.
6. Request Customized Solutions
Contact our technical specialists for:
- Bulk API synthesis (GMP-grade available)
- Custom formulation development
- Preclinical study design support
Email: info@vivalr.com
Phone: (86) 15866781826



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