D218200
5,5′-Dithiobis(2-nitrobenzoic acid)
ReagentPlus®, 99%
Synonym(s):
3-Carboxy-4-nitrophenyl disulfide, 6,6′-Dinitro-3,3′-dithiodibenzoic acid, Bis(3-carboxy-4-nitrophenyl) disulfide, DTNB, Ellman’s Reagent
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About This Item
Linear Formula:
[-SC6H3(NO2)CO2H]2
CAS Number:
Molecular Weight:
396.35
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
200-714-4
Beilstein/REAXYS Number:
1896821
MDL number:
Assay:
99%
Form:
powder
Quality Level
product line
ReagentPlus®
assay
99%
form
powder
mp
240-245 °C (dec.) (lit.)
SMILES string
OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O
InChI
1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)
InChI key
KIUMMUBSPKGMOY-UHFFFAOYSA-N
General description
DTNB (Ellman’s reagent) is commonly used for quantification of sulfhydryl (thiol) groups in proteins and biomolecules.
Application
5,5′-Dithiobis(2-nitrobenzoic acid) is a water soluble reagent mainly used for the derivatization of sulfhydryl groups.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
wgk
WGK 2
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Pork proteins oxidative modifications under the influence of varied time-temperature thermal treatments: A chemical and redox proteomics assessment.
Mitra B, et al.
Meat Science, 140, 134-144 (2018)
Determination of thiols and disulfides via HPLC quantification of 5-thio-2-nitrobenzoic acid
W Chen, et al.
Journal of Pharmaceutical and Biomedical Analysis, 48, 1375-1380 (2008)
Atef M K Nassar et al.
Molecules (Basel, Switzerland), 25(11) (2020-06-11)
Sumithion (Fenitrothion) (SUM) is an organophosphorus insecticide used to combat a wide variety of plant pests. Exposure to SUM causes significant toxicity to the brain, liver, kidney, and reproductive organs through, for example, binding to DNA, and it induces DNA
Global Trade Item Number
| SKU | GTIN |
|---|---|
| D218200-5G | 04061835282203 |
| D218200-1G | 04061835282197 |
| D218200-10G | 04061835282180 |