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DOTA (chelator)
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DOTA (also known as tetraxetan) is an organic compound with the formula (CH2CH2NCH2CO2H)4. The molecule consists of a central 12-membered tetraaza (i.e., containing four nitrogen atoms) ring. DOTA is used as a complexing agent, especially for lanthanide ions. Its complexes have medical applications as contrast agents and cancer treatments.
Quick Facts Names, Identifiers ...
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Names | |
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Preferred IUPAC name
2,2′,2′′,2′′′-(1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetrayl)tetraacetic acid | |
Other names
DotA; Tetraxetan | |
Identifiers | |
3D model (JSmol) |
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ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.113.833 ![]() |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C16H28N4O8 | |
Molar mass | 404.420 g·mol−1 |
Appearance | White crystalline solid |
Hazards | |
GHS labelling: | |
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Warning | |
H315, H319, H335 | |
P261, P305+P351+P338 | |
Related compounds | |
Related compounds |
Cyclen, EDTA |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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