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158194

Sigma-Aldrich

2,2′-Dithiobis(5-nitropyridine)

96%

Sinónimos:

Bis(5-nitro-2-pyridyl) disulfide, DTNP

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About This Item

Fórmula empírica (notación de Hill):
C10H6N4O4S2
Número de CAS:
2127-10-8
Peso molecular:
310.31
Beilstein/REAXYS Number:
305413
EC Number:
218-344-7
MDL number:
MFCD00006453
UNSPSC Code:
12352100
PubChem Substance ID:
24849723
NACRES:
NA.22

assay

96%

form

solid

mp

155-157 °C (lit.)

functional group

disulfide

SMILES string

[O-][N+](=O)c1ccc(SSc2ccc(cn2)[N+]([O-])=O)nc1

InChI

1S/C10H6N4O4S2/c15-13(16)7-1-3-9(11-5-7)19-20-10-4-2-8(6-12-10)14(17)18/h1-6H

InChI key

ROUFCTKIILEETD-UHFFFAOYSA-N

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General description

2,2′-Dithiobis(5-nitropyridine) is an aromatic disulphide.

Application

2,2′-Dithiobis(5-nitropyridine) was employed:
  • as cysteine-activating reagent to study the NMR of G protein-coupled receptors
  • in the deprotection assays for protected selenocysteine-containing peptides
  • for deprotecting p-methoxybenzyl groups and acetamidomethyl groups from the side-chains of cysteine and selenocysteine
  • to remove the p-methoxybenzyl protecting group from cysteine and selenocysteine side-chains

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
0000249748
0000297960
0000265624
0000265623
0000175279

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M K Park et al.
Experimental physiology, 80(5), 835-842 (1995-09-01)
Ca(2+)-activated K+ currents (IK(Ca)) and voltage-dependent Ca(2+)-insensitive K+ currents (IK(V)) were recorded using the patch clamp technique to study the pulmonary (PASMC) and ear arterial smooth muscle cells (EASMC) of the rabbit and the possible regulatory mechanisms related to hypoxia.
G J Stephens et al.
Pflugers Archiv : European journal of physiology, 431(3), 435-442 (1996-01-01)
The effects of cysteine-modifying reagents on the gating of rat cloned Kv1.4 channels expressed in HEK-293 cells were examined using the whole-cell patch-clamp technique. Cells transfected with Kv1.4 expressed a rapidly inactivating K+ current with a mid-point of activation of
K Yamaoka et al.
Pflugers Archiv : European journal of physiology, 440(2), 207-215 (2000-07-18)
The effects of sulfhydryl (SH) reagents on the L-type Ca current (ICa) were studied in frog ventricular myocytes using the whole-cell patch-clamp method. Methanethiosulfonate ethylammonium (MTSEA+) was found to enter the cell through the membrane and cause a remarkable increase
Uncoupling and energy transfer inhibition of photophosphorylation by sulfhydryl reagents.
J V Moroney et al.
The Journal of biological chemistry, 255(14), 6670-6674 (1980-07-25)
Yu Qi et al.
Nature communications, 11(1), 1262-1262 (2020-03-11)
Binding of biomolecules to crystal surfaces is critical for effective biological applications of crystalline nanomaterials. Here, we present the modulation of exposed crystal facets as a feasible approach to enhance specific nanocrystal-biomolecule associations for improving cellular targeting and nanomaterial uptake.
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