253359
4-Maleimido-TEMPO
for ESR-spectroscopy
Synonym(s):
4-Maleimido-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical
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About This Item
Empirical Formula (Hill Notation):
C13H19N2O3
CAS Number:
Molecular Weight:
251.30
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352005
MDL number:
Form:
solid
description
free radical
form
solid
mp
91-94 °C (lit.)
functional group
imide, maleimide
storage temp.
2-8°C
SMILES string
CC1(C)CC(CC(C)(C)N1[O])N2C(=O)C=CC2=O
InChI
1S/C13H19N2O3/c1-12(2)7-9(8-13(3,4)15(12)18)14-10(16)5-6-11(14)17/h5-6,9H,7-8H2,1-4H3
InChI key
CMNDHIFMYRPBGH-UHFFFAOYSA-N
General description
4-Maleimido-TEMPO, a water-soluble nitroxide radical, is commonly employed as spin probe. It has been reported to inhibit the survival of CHO cells at 1mM concentrations. It is widely employed maleimide spin label for EPR studies.
Application
4-Maleimido-TEMPO (4-Maleimido-2,2,6,6,-tetramethylpiperidinooxyl) was employed as spin label to investigate the influence of bile salts on the intact rat mitochondrial membranes by electron paramagnetic resonance spectroscopy (EPR). It may be employed as spin label for the labeling of erythrocyte membranes to investigate the interaction of quercetin with erythrocyte proteins by EPR spectra.
Biochem/physiol Actions
Spin label used to study fluidity of brain synaptosomal membranes, internal microviscosity of erythrocytes, and human high density lipoproteins.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Articles
TEMPO（2,2,6,6-四甲基哌啶氧基或2,2,6,6-四甲基哌啶1-氧基）及其衍生物在有机氧化反应催化剂中可以作为稳定的硝酰基使用。TEMPO由Lebedev和Kazarnovskii于1960年发现，其具有的稳定自由基性质得益于其庞大的取代基团阻碍了自由基与其他分子之间发生反应。
Kelly Souza Fernandes et al.
Biochimica et biophysica acta, 1859(1), 1-9 (2016-10-27)
In this study, we combined electron paramagnetic resonance (EPR) spectroscopy with an analysis of biophysical cellular parameters to study the mechanisms underlying the in vitro anti-leishmanial activity of miltefosine (MT). A thiol-specific spin label attached to membrane-bound proteins of Leishmania
Bozena Pawlikowska-Pawlega et al.
Biochemical pharmacology, 66(4), 605-612 (2003-08-09)
Quercetin is a naturally occurring flavonoid that exerts multiple pharmacological effects. In our previous study, we showed that quercetin greatly affects the lipid membrane. In this report, a study of quercetin on human erythrocyte membrane has been performed to determine
Fantao Meng et al.
Artificial cells, nanomedicine, and biotechnology, 47(1), 73-82 (2019-01-22)
Compromised microcirculation and endothelial dysfunction are hallmarks of sickle cell disease (SCD). EAF PEG Haemoglobin (Hb) and EAF PEG Albumin (Alb) represent a novel class of semisynthetic colloidal supra plasma expanders that improve microcirculation. The therapeutic activity of supra plasma
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 253359-10MG | 04061833278895 |
| 253359-25MG | 04061833278901 |