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284025

Sigma-Aldrich

Diethylenetriaminepentaacetic dianhydride

98%

Synonym(s):

N,N-Bis[2-(2,6-dioxomorpholino)ethyl]glycine, DTPA anhydride, DTPA dianhydride

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About This Item

Empirical Formula (Hill Notation):
C14H19N3O8
CAS Number:
23911-26-4
Molecular Weight:
357.32
Beilstein:
1230954
MDL number:
MFCD00010697
UNSPSC Code:
12162002
PubChem Substance ID:
24857140
NACRES:
NA.23

Assay

98%

form

powder

mp

182-184 °C (lit.)

storage temp.

−20°C

SMILES string

OC(=O)CN(CCN1CC(=O)OC(=O)C1)CCN2CC(=O)OC(=O)C2

InChI

1S/C14H19N3O8/c18-10(19)5-15(1-3-16-6-11(20)24-12(21)7-16)2-4-17-8-13(22)25-14(23)9-17/h1-9H2,(H,18,19)

InChI key

RAZLJUXJEOEYAM-UHFFFAOYSA-N

Related Categories

Application

Employed in the synthesis of macrocyclic ligands and lanthanide complexes that are useful as MRI enhancers.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Inorganic Chemistry, 33, 5794-5794 (1994)
Farid N Faruqu et al.
Theranostics, 9(6), 1666-1682 (2019-05-01)
Extracellular vesicles, in particular exosomes, have recently gained interest as novel drug delivery vectors due to their biological origin and inherent intercellular biomolecule delivery capability. An in-depth knowledge of their in vivo biodistribution is therefore essential. This work aimed to
Yongbo Yang et al.
ACS applied materials & interfaces, 9(28), 23450-23457 (2017-06-29)
A bimodal contrast nanoagent was developed by chelating gadolinium ions to 2-[bis[2-[carboxymethyl-[2-oxo-2-(2-sulfanylethyl-amino)ethyl]amino]ethyl]amino]acetic acid (DTDTPA)-modified CuInS
M Fischer et al.
Nuklearmedizin. Nuclear medicine, 25(6), 232-234 (1986-12-01)
Monoclonal mouse antibodies to human thyroglobulin were conjugated to the cyclic dianhydride of DTPA. After radiolabelling with 111In this compound was injected into nude mice bearing various human thyroid carcinomas. Repeated imaging studies were carried out 15 min to 50
C H Paik et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 24(12), 1158-1163 (1983-12-01)
Diethylenetriaminepentaacetic acid (DTPA) was conjugated with a practical concentration (300 micrograms/ml) of antibody to human albumin (Ab) and 1083 17-1A monoclonal colorectal antibody (MAb-17-1A) via an acylation reaction using cyclic DTPA anhydride (cDTPAA). The conjugation reaction was favored as pH
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