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C5151

Sigma-Aldrich

3-Karbamoyl-PROXYL

Synonym(e):

3-Carbamoyl-2,2,5,5-tetramethyl-1-pyrrolidinoxy, 3-Carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy, freies Radikal

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About This Item

Empirische Formel (Hill-System):
C9H17N2O2
CAS-Nummer:
4399-80-8
Molekulargewicht:
185.24
EG-Nummer:
224-533-5
MDL-Nummer:
MFCD00003168
UNSPSC-Code:
12352000
PubChem Substanz-ID:
24892761
NACRES:
NA.22

Form

powder

mp (Schmelzpunkt)

173-175 °C (lit.)

Lagertemp.

2-8°C

SMILES String

CC1(C)CC(C(N)=O)C(C)(C)N1[O]

InChI

1S/C9H17N2O2/c1-8(2)5-6(7(10)12)9(3,4)11(8)13/h6H,5H2,1-4H3,(H2,10,12)

InChIKey

XNNPAWRINYCIHL-UHFFFAOYSA-N

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Anwendung

A spin label useful for non-invasive detection of free radicals in vivo by electron spin resonance imaging.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

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4-Oxo-TEMPO

Sigma-Aldrich

179485

4-Oxo-TEMPO

4-Hydroxy-TEMPO 95%

Sigma-Aldrich

176141

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TEMPO 98%

Sigma-Aldrich

214000

TEMPO

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Nitroxide radicals are paramagnetic contrast agents, used in magnetic resonance imaging (MRI), that also exert antioxidant effects. Participating in cellular redox reactions, they lose their ability to provide contrast as a function of time after administration. In this study, the
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Clinical cancer research : an official journal of the American Association for Cancer Research, 12(8), 2455-2462 (2006-04-28)
There is considerable research directed toward the identification and development of functional contrast agents for medical imaging that superimpose tissue biochemical/molecular information with anatomical structures. Nitroxide radicals were identified as in vivo radioprotectors. Being paramagnetic, they can provide image contrast
Guohan Hu et al.
Journal of neurosurgery, 98(2), 393-396 (2003-02-21)
Nitroxides mimic superoxide dismutase (SOD) biochemically and may prevent free radical oxidative injury in settings in which endogenous SOD is overwhelmed. The authors have previously shown the efficacy of a nitroxide, Tempol, in reducing stroke infarct size. Of the nitroxides
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Cancer research, 64(18), 6495-6502 (2004-09-18)
Electron paramagnetic resonance imaging (EPRI) enables noninvasive spatial mapping of free radical metabolism and has recently been shown to provide in vivo physiologic information regarding alterations in the redox state of tumors and neoplastic tissues. With the use of nitroxide
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