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5,5′-Dithiobis(2-nitrobenzoic acid)

ALDRICH/D218200 - ReagentPlus®, 99%

Synonym: 3-Carboxy-4-nitrophenyl disulfide; 6,6′-Dinitro-3,3′-dithiodibenzoic acid; Bis(3-carboxy-4-nitrophenyl) disulfide; DTNB; Ellman’s Reagent

CAS Number: 69-78-3
Empirical Formula (Hill Notation): C14H8N2O8S2
Molecular Weight: 396.35
EC Number: 200-714-4
MDL Number: MFCD00007140
Linear Formula: [-SC6H3(NO2)CO2H]2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-D218200-1G 1 g
 $35.50
1/EA		 Add To Favorites
45-D218200-5G 5 g
 $85.20
1/EA		 Add To Favorites
45-D218200-10G 10 g
 $156.00
1/EA		 Add To Favorites
FT-NMR Spectra for 3-Carboxy-4-nitrophenyl disulfide.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: D218200-10G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: D218200-1G

 

assay 99%
form powder
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
mp 240-245 °C (dec.) (lit.)
product line ReagentPlus®
Quality Level 200 
SMILES string OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O
Application: 5,5′-Dithiobis(2-nitrobenzoic acid) is a water soluble reagent mainly used for the derivatization of sulfhydryl groups.
General description: DTNB (Ellman’s reagent) is commonly used for quantification of sulfhydryl (thiol) groups in proteins and biomolecules.
Legal Information: ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Packaging: 1, 5 g in glass bottle
Packaging: 10 g in poly bottle
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Purity 99%
mp 240-245 °C (dec.) (lit.)
UNSPSC 12352100

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