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Merck
CN

SML3037

MTSSL

≥98% (HPLC), nitroxide spin label probe, powder

Synonym(s):

(1-Oxyl-2,2,5,5-tetramethyl-3-pyrroline-3-methyl)methanethiosulfonate, 1H-Pyrrol-1-yloxy, 2,5-dihydro-2,2,5,5-tetramethyl-3-[[(methylsulfonyl)thio]methyl]-, 2,5-Dihydro-2,2,5,5-tetramethyl-3-[[(methylsulfonyl)thio]methyl]-1H-pyrrol-1-yloxy, MTS, MTS (spin label), MTSL

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About This Item

Empirical Formula (Hill Notation):
C10H18NO3S2
CAS Number:
81213-52-7
Molecular Weight:
264.38
NACRES:
NA.77
UNSPSC Code:
12352200
MDL number:
MFCD00797622

Key Documents

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Product Name

MTSSL, ≥98% (HPLC)

InChI key

BLSCGBLQCTWVPO-UHFFFAOYSA-N

SMILES string

[O]N1C(C)(C)C=C(C1(C)C)CSS(=O)(C)=O

InChI

1S/C10H18NO3S2/c1-9(2)6-8(7-15-16(5,13)14)10(3,4)11(9)12/h6H,7H2,1-5H3

assay

≥98% (HPLC)

form

powder

storage condition

protect from light

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

−20°C

Quality Level

100

Related Categories

Biochem/physiol Actions

MTSSL is a cysteine-specific, flexible disulfide bond forming paramagnetic nitroxide spin label probe. MTSSL is reported to be useful for investigating structural and conformational dynamics of membrane proteins and protein aggregation.
cysteine site targeting, flexible disulfide bond forming paramagnetic nitroxide spin label probe

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000531193
0000531195
0000531193
0000531195
0000526401

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Marilena Di Valentin et al.
Biochimica et biophysica acta, 1857(12), 1909-1916 (2016-10-26)
Triplet-triplet energy transfer from chlorophylls to carotenoids is the mechanism underlying the photoprotective role played by carotenoids in many light harvesting complexes, during photosynthesis. The peridinin-chlorophyll-a protein (PCP) is a water-soluble light harvesting protein of the dinoflagellate Amphidinium carterae, employing
Alise R Muok et al.
Applied magnetic resonance, 49(12), 1385-1395 (2019-01-29)
Site-directed spin labeling of proteins by chemical modification of engineered cysteine residues with the molecule MTSSL (1-Oxyl-2,2,5,5-tetramethylpyrroline-3-methyl methanethiosulfonate) has been an invaluable tool for conducting double electron electron resonance (DEER) spectroscopy experiments. However, this method is generally limited to recombinant
Thomas H Edwards et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 288, 58-68 (2018-02-08)
Tikhonov regularization is the most commonly used method for extracting distance distributions from experimental double electron-electron resonance (DEER) spectroscopy data. This method requires the selection of a regularization parameter, α, and a regularization operator, L. We analyze the performance of

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