5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB), Molekularbiologische Qualität

Lieferant: G Bioscienes
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Synonyme: 3,3'-Dithiobis(6-nitrobenzoesäure)DTNB2,2'-Dinitro-5,5'-dithiodibenzoesäureEllman's ReagenzBis(4-nitrophenyl)disulfid-3,3'-dicarbonsäure

BC87EA 222 EUR
BC87
5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB), Molekularbiologische Qualität
5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB)

Ellman's reagent is a versatile, water-soluble compound for quantifying free sulfhydryl groups in solution. It reacts with a free sulfhydryl group to yield a mixed disulfide and 2-nitro-5-thiobenzoic acid (NTB), a measurable yellow colored product at 412nm.
Ellman's reagent is very useful as a free sulfhydryl assay reagent due to its high specificity for -SH groups at neutral pH, high molar extinction coefficient and short reaction time.


Yellow crystalline powder that is used for the colorimetric determination of thiol groups in biological samples. DTNB is fairly soluble in water.
Store at 2-8°C and protect from light and humidity.


Applications: Quantification of free sulfhydryl residues

Formel: C₁₄H₈N₂O₈S₂
Molecular Weight: 396,36 g/mol
Schmelzpunkt: 240…244 °C
Lagertemperatur: Kühlschrank
MDL: MFCD00007140
CAS-Nummer: 69-78-3
EINECS: 200-714-4

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