| Catalogue number: | PA 27 0032458 |
| Chemical name: | DOTAGA-Anhydride |
CAS Number: |
1375475-53-8 |
| Category: | miscellaneous compounds,Antibody Drug Conjugate |
| Synonyms: | 2,2',2''-(10-(2,6-Dioxotetrahydro-2H-pyran-3-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic Acid; 1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid, 10-(tetrahydro-2,6-dioxo-2H-pyran-3-yl)-; 10-(Tetrahydro-2,6-dioxo-2H-pyran-3-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic Acid; |
| Molecular form: | C19H30N4O9 |
| Appearance: | Solid |
| Mol. Weight: | 458.47 |
| Storage: | 2-8°C Refrigerator |
| Shipping Conditions: | Ambient |
| Applications: | DOTAGA-anhydride is a DOTA-based metal chelator that can bind to radionuclides and is used to prepare radionuclide drug conjugates (RDCs). DOTAGA-anhydride can be used to label monoclonal antibodies (mAbs) such as trastuzumab (targeting HER2/neu receptor with an affinity of 5.5 nM) under mild conditions (PBS pH 7.4, 25 °C, 30 minutes) after chelation with indium-111. [111In-DOTAGA]-trastuzumab showed a tumor uptake of 65% ID/g in mice bearing breast cancer BT-474 xenografts 72 hours after injection, which is valuable for SPECT/CT imaging and biodistribution studies. |
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