p-SCN-Bn-TCMC provides a bifunctional macrocyclic chelator for antibody conjugation, radiometal labeling, and targeted radiopharmaceutical research and specifically combines the TCMC (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetamide) chelating framework with a para-isothiocyanatobenzyl group. This structure specifically supports covalent attachment to amine-containing biomolecules and coordination of compatible metal ions, particularly lead-212 (Pb-212).
Key Features and Benefits
- TCMC Macrocyclic Framework: Features a tetraazacyclododecane-based chelator with four acetamide groups specifically for coordination of compatible metal ions.
- Isothiocyanate Functionality: Provides a reactive SCN group specifically for covalent conjugation with primary amines on proteins, antibodies, and peptides.
- Bifunctional Chelator Design: Combines metal coordination and bioconjugation capabilities within a single molecule for radiopharmaceutical development.
- Lead-212 Chelation: Supports coordination of Pb-212 for research involving targeted alpha-particle therapy and radiolabeled biomolecules.
- Stable Thiourea Linkage: The isothiocyanate group reacts with primary amines to specifically form covalent thiourea bonds under suitable reaction conditions.
- Aromatic Benzyl Linker: Separates the reactive isothiocyanate group from the macrocyclic chelator to facilitate biomolecular conjugation.
- Antibody Conjugation Compatibility: Enables attachment of TCMC chelators to accessible lysine residues and other primary amine-containing sites.
- Radiometal Complexation Research: Supports investigation of metal incorporation, chelation efficiency, and radiolabeled conjugate stability.
Applications
- Targeted Alpha Therapy Research: Supports development of investigational Pb-212-labeled targeting agents for targeted alpha-particle therapy studies.
- Antibody Radiolabeling: Enables preparation of TCMC-functionalized antibodies for subsequent coordination with compatible radiometals.
- Lead-212 Radiopharmaceutical Development: Useful for investigating Pb-212 chelation, radiochemical purity, and stability of radiolabeled conjugates.
- Peptide Bioconjugation: Supports attachment of TCMC functionality to peptides specifically containing accessible primary amine groups.
- Radioimmunotherapy Research: Enables development of radiometal-labeled antibodies for targeted radionuclide therapy investigations.
- Protein Functionalization: Useful for introducing macrocyclic chelators into proteins through isothiocyanate-amine coupling reactions.
- Targeted Radionuclide Delivery: Supports preparation of chelator-functionalized targeting ligands specifically for radionuclide delivery research.
- Coordination Chemistry Studies: Enables investigation of metal-binding properties, complex formation, and chelator stability.
- Analytical Method Development: Supports evaluation of conjugation efficiency, radiolabeling yield, radiochemical purity, and complex stability.
Storage and Handling
- Storage: Store at −20°C in a dry, tightly sealed container unless otherwise specified. Protect from moisture, light, and excessive heat.
- Handling: Handle under dry conditions and prepare solutions shortly before use. For amine conjugation, use suitable mildly alkaline reaction conditions and avoid competing primary amine-containing buffers, such as Tris. Minimize trace-metal contamination during chelation studies. Handle radioactive materials only in appropriately authorized facilities.
p-SCN-Bn-TCMC combines a TCMC macrocyclic chelator with reactive isothiocyanate functionality for efficient biomolecular conjugation and specifically supports Pb-212 radiolabeling, antibody modification, targeted alpha therapy research, and advanced radiopharmaceutical development.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
