API reference
Pentetic acid
- CAS number
- 67-43-6
- Molecular formula
- C14H23N3O10
- Molecular weight
- 393.35 g/mol
About this molecule
Pentetic Acid is an edetate and a chelating agent used in preparing radiopharmaceuticals. Pentetic acid (DTPA) has strong affinity for iron but also shows affinities for other heavy metals, thereby is used in the treatment of iron-storage disease and poisoning from heavy and radioactive metals. DTPA may chelate metallic moieties of unbound, extracellular radioimmunotherapeutics, thereby aggregating radioimmunotherapeutics locally to higher concentrations, and improving tumor cell radiocytotoxicity, while sparing normal tissues from the radiocytotoxic effects. In addition, DTPA is used in radioimaing procedures when complexes with radioisotopes, ex., Tc 99m or In 111.
Source: NCI Thesaurus (NCIt), via PubChem.
Identifiers
- IUPAC name
- 2-[bis[2-[bis(carboxymethyl)amino]ethyl]amino]acetic acid
- InChIKey
- QPCDCPDFJACHGM-UHFFFAOYSA-N
- SMILES
- C(CN(CC(=O)O)CC(=O)O)N(CCN(CC(=O)O)CC(=O)O)CC(=O)O
- Other CAS numbers recorded
- 1004765-76-7
- PubChem CID
- 3053
Also known as
Pentetic acid · diethylenetriaminepentaacetic acid · DTPA · Detapac · Detarex · Titriplex V · Monaquest CAI · Perma kleer
Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.
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