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32363  (044883)

5,5-Dithiobis(2-Nitro Benzoic Acid) extrapure (DTNB), 98%

(Ellmans Reagent)

69-78-3
Part B
HSN Code : 29309090
IMDG Identification :Not Regulated for Transport (Non-Haz)
Molecular Formula : C14H8N2O8S2
Molecular Weight : 396.35
Storage : 0 to 4°C (Freeze)
Shelf Life : 60 Months
 
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Specifications
 
Appearance (Colour)Yellow
Appearance (Form) Crystalline powder
Solubility (Turbidity) 5% solution in MethanolClear
Solubility (Colour) 5% solution in methanolYellow
Assaymin. 98 %
Melting Point239 - 241°C
Sulphated Ashmax. 0.1 %
Notes
  Ellman's Reagent or DTNB, this was originally developed for use as a sulfhydryl reagent. It can be used to quantitate thiols in proteins, cells and plasma by absorption measurements. It readily forms a mixed disulfide with thiols, liberating the chromophore 5-merapto-2-nitrobenzoic acid (absorption maximum 410nm). Only protein thiols that are accessible to this water-soluble reagent are modified.
 
Available Packages
 
Size Price  
1 Gms
INR 996.00  
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5 Gms
INR 2934.00  
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10 Gms
INR 5583.00  
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25 Gms
INR 12687.00  
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Prices indicative & subject to additional charges. (Indian Rupees (INR))
 
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