253375
3-Maleimido-PROXYL
free radical
Synonym(s):
3-Maleimido-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, free radical
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About This Item
Empirical Formula (Hill Notation):
C12H17N2O3
CAS Number:
Molecular Weight:
237.27
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352005
MDL number:
InChI
1S/C12H17N2O3/c1-11(2)7-8(12(3,4)14(11)17)13-9(15)5-6-10(13)16/h5-6,8H,7H2,1-4H3
SMILES string
CC1(C)CC(N2C(=O)C=CC2=O)C(C)(C)N1[O]
InChI key
HGNHBHXFYUYUIA-UHFFFAOYSA-N
mp
111-113 °C (lit.)
functional group
imide, maleimide
storage temp.
2-8°C
Quality Level
Application
Spin label used for study of local protein structure and for determining molecular changes in erythrocyte membranes.
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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Angela Tseng et al.
Journal of food science, 77(9), H192-H201 (2012-08-23)
The effects of different drying methods (40 °C conventional and vacuum oven, 25 °C ambient air and freeze dry) on the stability of two red wine grape (Pinot Noir, PN and Merlot, M) byproducts, pomace containing skins and seeds (P)
A Wróbel et al.
Biochemistry and molecular biology international, 41(2), 349-357 (1997-02-01)
The sulfhydryl group specific spin labels have been used to study the membrane proteins in the bovine and human erythrocyte membranes treated with ozone. The ratio hw/hs, determined from the respective peak amplitudes of the resulting EPR spectra of 3-maleimido-1-oxyl-2,2,5,5-tetramethylpyrrolidine
P D Morse
Biochimica et biophysica acta, 844(3), 337-345 (1985-03-21)
In a recent paper, Daveloose et al. (Daveloose, D., Fabre, G., Berleur, F., Testylier, G. and Letterrier, F. (1983) Biochim. Biophys. Acta 763, 41-49) described a technique to measure the internal microviscosity of erythrocytes using the spin label MAL-3 (2,2,5,5-tetramethyl-3-malimidopyrrolidinyl-N-oxyl)
L Zhao et al.
Biophysical journal, 69(3), 994-999 (1995-09-01)
Electron paramagnetic resonance spectroscopy of a spin probe attached to cys-707 on myosin cross-bridges was used to monitor the orientation of the myosin catalytic domain at the beginning and end of the working power stroke in active muscle. Elevated concentrations
Brett A Colson et al.
Proceedings of the National Academy of Sciences of the United States of America, 113(12), 3233-3238 (2016-02-26)
We have used the site-directed spectroscopies of time-resolved fluorescence resonance energy transfer (TR-FRET) and double electron-electron resonance (DEER), combined with complementary molecular dynamics (MD) simulations, to resolve the structure and dynamics of cardiac myosin-binding protein C (cMyBP-C), focusing on the
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