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Product 6790

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Lead Time 3 Weeks

Catalog ID 6790 / 5 g

    Other Unit Size:     7985 / 1 g   

DTNB

AKA: Ellman's reagent
Formula Weight CAS#
C14H18N2O8S 374.37 69-78-3
For 25+ Units, Contact us.

Ellman's reagent, DTNB, (5,5'-dithiobis-(2-nitrobenzoic acid)is a non-fluorescent probe used to quantify the number or concentration of thiol groups in a sample. The reaction is rapid and stoichiometric, with the addition of one mole of thiol releasing one mole of NTB. The NTB2- is quantified in a spectrophotometer by measuring the absorbance of visible light at 412 nm, using an extinction coefficient of 14,150 M-1 cm-1

Product Size 5 g
Form Lite Yellow Solid
Absorption (estimated) Wavelength (λmax) 325 ± 3 nm (Buffer pH 8)
Storage conditions Refrigerate: Store at 4-8°C (Ref) Protect from moisture (D) Protect from light (L)
MDL#

* Ellman's reagent
* 5,5'-Dithiobis-(2-nitrobenzoic acid)
* Benzoic acid, 3,3'-dithiobis(6-nitro)-

Other / Miscellaneous:   Miscellaneous
Reactive Probes and Related Products:   Thiol-Reactive (Haloacetamide/Halobenzyl and Maleimide)

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 51009 10-Nov-2016
Lot 50281 15-Jan-2015
Lot 50162 10-Sep-2014

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  • Mol. Weight
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