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DOTA-NHS ester is a commonly used functional group in drug research and development that belongs to the family of carboxylic acid derivatives. This group is widely used for radiolabeling of proteins, peptides, and other biomolecules to facilitate their detection and imaging in various diagnostic and therapeutic applications.

The DOTA-NHS ester is composed of two main functional groups: the DOTA (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid) chelating agent and the N-hydroxysuccinimide (NHS) ester. The DOTA chelator forms a stable complex with various metal ions, such as gadolinium, copper, and indium, while the NHS ester moiety reacts with primary amines on biomolecules to form stable amide bonds.

The use of DOTA-NHS ester in drug research and development is mainly focused on the development of radiopharmaceuticals for imaging and therapy. The radiolabeled biomolecules, such as antibodies, peptides, and small molecules, can target specific cells or tissues for imaging or therapy, enabling the non-invasive diagnosis and treatment of various diseases, including cancer, cardiovascular, and neurological disorders.

The DOTA-NHS ester functional group is a versatile tool in drug research and development, allowing for the radiolabeling of various biomolecules for diagnostic and therapeutic purposes. Its use is crucial for the development of new and innovative approaches in the field of precision medicine.


Cat# Name Structure M.W. Purity Pricing
AP13088DOTA-NHS ESTER501.49≥95% Pricing

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