Chemicals and Drugs

Technetium Tc 99m Pentetate

A technetium imaging agent used in renal scintigraphy, computed tomography, lung ventilation imaging, gastrointestinal scintigraphy, and many other procedures which employ radionuclide imaging agents.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A technetium imaging agent used in renal scintigraphy, computed tomography, lung ventilation imaging, gastrointestinal scintigraphy, and many other procedures which employ radionuclide imaging agents.

Chemical Identity

Chemical Information

Molecular Formula
C14H18N3NaO10Tc
Molecular Weight
508.20 g/mol
IUPAC Name
sodium;2-[bis[2-[bis(carboxylatomethyl)amino]ethyl]amino]acetate;technetium(4+)
InChIKey
VTPAYRVYYYAMJN-UHFFFAOYSA-I
SMILES
C(CN(CC(=O)[O-])CC(=O)[O-])N(CCN(CC(=O)[O-])CC(=O)[O-])CC(=O)[O-].[Na+].[Tc+4]
MeSH Unique ID
D016284
Source
PubChem CID 73415750

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

10 entry terms
  • Tc 99m-DTPA
  • Tc-DTPA
  • Technetium (99m) Pentetate
  • Technetium diethylenetriamine pentaacetic acid
  • Technetium-DTPA
  • 99m-DTPA, Tc
  • Tc 99m DTPA
  • Technetium DTPA
  • Technetium Pentetic Acid
  • Pentetic Acid, Technetium

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

for routine use as label, use no qualifiers

MeSH Record

History Note

91; 99MTC-DTPA was see TECHNETIUM TC 99M PENTETATE 1991-92

MeSH Record

Previous Indexing

  • DTPA (1966-1990)
  • Organometallic Compounds (1968-1989)
  • Organotechnetium Compounds (1990)
  • Technetium (1966-1990)

MeSH Hierarchy

Tree Numbers

  1. D02w.092w.782w.590w.883w
  2. D02w.241w.081.018w.639w.883w
  3. D02w.691w.825w.875w

AMA Style

References

  1. National Library of Medicine. Technetium Tc 99m Pentetate. Medical Subject Headings (MeSH). 2026. Unique ID D016284. http://id.nlm.nih.gov/mesh/2026/D016284
  2. Technetium Tc 99m Pentetate. In: Wikipedia. https://en.wikipedia.org/wiki/Technetium_(99mTc)_pentetic_acid
  3. Technetium Tc 99m Pentetate. In: Wikidata. https://www.wikidata.org/wiki/Q27292049
  4. Technetium Tc 99m Pentetate. In: PubChem Compound. CID 73415750. https://pubchem.ncbi.nlm.nih.gov/compound/73415750