DTNB;69-78-3;5,5-Dithiobis(2-nitrobenzoic acid)

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DTNB;69-78-3;5,5-Dithiobis(2-nitrobenzoic acid)
Posting date : May 12, 2014
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30-
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Product ID: TQDR014 Name: DTNB Specification/price: 500g,1kg,5kg Rank: Ultra Pure Grade CAS: 69-78-3 English Name: 5,5-Dithiobis(2-nitrobenzoic acid) Molecular Formula: C14H8N2O8S2 Molecular Wt: 396.35 Appearance:straw yellow powder Assay:99.5% Enterprise Standard DTNB, the Ellman reagent. It is used to determine thiol in biological samples by colorimetric. It is extremely soluble in water. In the existence of hydroxyl compounds, the colorless DTNB is turned into yellow 5-Mercapto-2-nitrobenzoic acid which has the maximum absorption at 412nm. The absorption spectrum of DTNB doesn’t interfere with the determination of thiol.

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