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Safety Information

253634

Sigma-Aldrich

5-DOXYL-stearic acid, free radical

Synonym(s):

2-(3-Carboxypropyl)-4,4-dimethyl-2-tridecyl-3-oxazolidinyloxy, free radical, 5-Doxylstearate, 5-SASL

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About This Item

Empirical Formula (Hill Notation):
C22H42NO4
CAS Number:
29545-48-0
Molecular Weight:
384.57
MDL number:
MFCD00010544
UNSPSC Code:
12352106
PubChem Substance ID:
24855317

form

solid

mp

51-53 °C (lit.)

storage temp.

2-8°C

SMILES string

CCCCCCCCCCCCCC1(CCCC(O)=O)OCC(C)(C)N1[O]

InChI

1S/C22H42NO4/c1-4-5-6-7-8-9-10-11-12-13-14-17-22(18-15-16-20(24)25)23(26)21(2,3)19-27-22/h4-19H2,1-3H3,(H,24,25)

InChI key

PYDZKXQLRMNQFK-UHFFFAOYSA-N

Application

Lipid spin label used for many types of electron paramagnetic resonance studies including:
  • Studies to elucidate the interactions of molecules with the membrane surface
  • Kinetics of lipid transfer between lipid bilayers
  • Behavior of molecules within a lipid bilayer
  • Probing the fluid dynamics of the plasma membrane

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

253634-100MG:
253634-25MG:
253634-10MG:
253634-BULK:
253634-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
65296KJV
65296KJ
05917JH
02817BD
14707CA

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Chikako Honda et al.
Journal of colloid and interface science, 278(2), 310-317 (2004-09-29)
Interactions and characteristics of 0.1% bovine serum albumin (BSA)-sodium dodecyl sulfate (SDS) in 20 mM phosphate buffer solution were investigated by means of fluorescence spectroscopy and electron spin resonance (ESR) spectroscopy. In BSA-SDS system, the intensity ratio, Im3/Im1, of the
J M Boggs et al.
Biochimica et biophysica acta, 1189(2), 233-241 (1994-01-19)
Novel cerebroside sulfate (CBS) spin labels containing long chain C24 or C26 fatty acids with a nitroxide spin label on the 22nd carbon were synthesized and used to investigate the ability of the long fatty acid chains of glycosphingolipids to
Kouichi Nakagawa
Lipids, 45(1), 91-96 (2010-01-06)
Electron paramagnetic resonance (EPR) in conjunction with a slow-tumbling simulation was utilized for defining stratum corneum (SC) lipid structure. We found that ordering calculated from the simulation is an appropriate index for evaluating SC lipids structure. The SC from two
Elena A Golovina et al.
European biophysics journal : EBJ, 39(4), 657-668 (2009-10-14)
Here, we investigate the relationships between the chemical stability of the membrane surface and seed longevity. Dry embryos of long-lived tomato and short-lived onion seeds were labeled with 5-doxyl-stearic acid (5-DS). Temperature-induced loss of the electron spin resonance signal caused
Tehila Mishraki et al.
The journal of physical chemistry. B, 115(25), 8054-8062 (2011-05-20)
Insulin entrapment within a monoolein-based reverse hexagonal (H(II)) mesophase was investigated under temperature-dependent conditions at acidic (pH 3) and basic (pH 8) conditions. Studying the structure of the host H(II) system and the interactions of insulin under temperature-dependent conditions has
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