Description
Pentixafor is a synthetic cyclic pentapeptide derived from SDF-1 (CXCL12). Engineered to target the chemokine receptor CXCR4, which plays a pivotal role in tumor progression and metastasis, Pentixafor offers high-affinity binding in experimental models. This peptide enables visualization and investigation of CXCR4 expression, aiding in research across oncology, inflammation, and imaging agent development for PET tracers or therapeutic conjugates.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Pentixafor |
| Synonyms | CPCR4-2, TOZ93UY3AX |
| CAS Number | 1341207-62-2 |
| Purity | ?99.60% (HPLC) |
| Classification | Cyclic pentapeptide CXCR4-targeting ligand |
| Molecular Formula | C??H??N??O?? |
| Molecular Weight | ~1,221 Da |
| Appearance | White to off-white lyophilized powder |
| Solubility | Soluble in aqueous buffers and DMSO |
| Storage | –20 °C, protected from light and moisture |
| GMP Compliance | Yes |
| Intended Use | Laboratory research use only |
Mechanism of Action & Research Applications
Pentixafor binds specifically to the CXCR4 receptor, which is overexpressed in many cancers and indicates disease aggressiveness. Its strong affinity makes it ideal for:
Investigating CXCR4 expression in tumor biology
Development of PET imaging agents for CXCR4-positive malignancies
Studying CXCR4-mediated signaling and metastasis
Building theranostic platforms combining diagnostics and CXCR4-targeted therapies
Side Effects (For Research Context Only)
In experimental models, Pentixafor may impact:
Dynamics of receptor internalization in cellular assays
Pharmacokinetics of imaging or therapeutic conjugates in vivo
Receptor competition studies when combined with other ligands in molecular assays
Disclaimer
is intended solely for laboratory research use and is not approved for clinical, diagnostic, or therapeutic applications.


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