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80126

Supelco

N-tert-Butyl-α-phenylnitrone

for ESR-spectroscopy

Synonym(s):

N-Benzylidene-tert-butylamine N-oxide, PBN, Phenyl N-t-butylnitrone

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About This Item

Linear Formula:
C6H5CH=N(O)C(CH3)3
CAS Number:
Molecular Weight:
177.24
Beilstein:
2044028
EC Number:
MDL number:
UNSPSC Code:
12000000
PubChem Substance ID:
NACRES:
NA.21

grade

for ESR-spectroscopy

Quality Level

Assay

≥99.5% (HPLC)

form

powder

mp

72-74 °C
73-74 °C (lit.)

solubility

chloroform: 50 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

CC(C)(C)[N+](\[O-])=C\c1ccccc1

InChI

1S/C11H15NO/c1-11(2,3)12(13)9-10-7-5-4-6-8-10/h4-9H,1-3H3/b12-9-

InChI key

IYSYLWYGCWTJSG-XFXZXTDPSA-N

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Application

N-tert-Butyl-a-phenylnitrone was used as spin trapping agent during measurement of scavenging rate constant of carotenoid using EPR spin-trapping technique. This reagent helps in obtaining a six-line ESR spectrum and hyperfine coupling constants, confirming the presence of carbon-based radical in uric acid and peroxynitrite, using electron spin resonance spectroscopy and liquid chromatography mass spectrometry.

Biochem/physiol Actions

N-tert-butyl-α-phenylnitrone (PBN) is a commonly used free-radical spin trap. It has been shown to reduce the number of emboli-induced cerebral microinfarctions in the rabbit cortex and prevent neoplasia by its radical scavenging activity and its ability to inhibit cyclooxygenase-2 activity. Reported to inhibit the induction of nitric oxide synthase (iNOS), thereby preventing the overproduction of nitric oxide (NO). PBN in a dose of 100 mg/kg i.p. reduced necrosis of the substantia nigra, pars reticulate in flurothyl-induced status epilepticus in rats. It protects against some types of post-trauma epileptogenic events in an animal model of epilepsy. The lethal dose of PBN in rats was found to be approximately 100 mg/100 g body weight (0.564 mmol/100Å g).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Antioxidant and redox properties of supramolecular complexes of carotenoids with beta-glycyrrhizic acid.
Polyakov NE
Free Radical Biology & Medicine, 40(10), 1804-1809 (2006)
Radicals in the reaction between peroxynitrite and uric acid identified by electron spin resonance spectroscopy and liquid chromatography mass spectrometry.
Imaram W
Free Radical Biology & Medicine, 49(2), 275-281 (2010)
Jiwon Yang et al.
Journal of neurochemistry, 124(4), 523-535 (2012-12-04)
Oxidative stress after stroke is associated with the inflammatory system activation in the brain. The complement cascade, especially the degradation products of complement component 3, is a key inflammatory mediator of cerebral ischemia. We have shown that pro-inflammatory complement component
D A Butterfield et al.
Annals of the New York Academy of Sciences, 854, 448-462 (1999-02-03)
The free radical theory of aging proposes that reactive oxygen species (ROS) cause oxidative damage over the lifetime of the subject. It is the cumulative and potentially increasing amount of accumulated damage that accounts for the dysfunctions and pathologies seen
June Yowtak et al.
Pain, 152(4), 844-852 (2011-02-08)
Although both a loss of spinal inhibitory neurotransmission and the involvement of oxidative stress have been regarded as important mechanisms in the pathogenesis of pain, the relationship between these 2 mechanisms has not been studied. To determine whether reactive oxygen

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