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Thermo Scientific™ DTNB (Ellman's Reagent) (5,5-dithio-bis-(2-nitrobenzoic acid)
Measure peptide cysteines or other free, reduced sulfhydryls (-SH groups) in solution using this thiol-reactive, colored compound (Amax 412nm).
Marke: Thermo Scientific™ 22582
119.70 EUR valid until 2024-04-30
Use promo code "21741" to get your promotional price.
Weitere Details : CAS : 69-78-3 Weight : 1.81440kg
Beschreibung
Thermo Scientific™ Pierce DTNB (Ellman's Reagent) reacts with sulfhydryl groups to yield a colored product, which provides a reliable method for measure free reduced cysteines and other free sulfhydryls in solution.
A solution of this compound produces a measurable yellow-colored product when it reacts with sulfhydryls. Consequently, Ellman's Reagent is very useful as a sulfhydryl assay reagent because of its specificity for –SH groups at neutral pH, high molar extinction coefficient and short reaction time. Sulfhydryl groups may be estimated in a sample by comparison to a standard curve composed of known concentrations of a sulfhydryl-containing compound such as cysteine. Alternatively, sulfhydryl groups may be quantitated by reference to the extinction coefficient of TNB.Highlights:
Sulfhydryl detection– reacts quantitatively with free (reduced) sulfhydryl groups
Colorimetric–yields colored product to enable spectrophotemetric measurement in tubes or microplates
Proven assay method– well-characterized chemistry enables quantitation of peptide or protein sulfhydryl groups using extinction coefficient calculation or by comparison to a cysteine standard
Spezifikation
| DTNB | |
| 5 g |
Sicherheit und Handhabung
Produktidentifikator
Signalwort
Gefahrenkategorie
Gefahrenhinweis
Sicherheitshinweis
Ergänzende Informationen
- DTNB (Ellman's Reagent) (5,5-dithio-bis-(2-nitrobenzoic acid)
Signalwort
- Warning
Gefahrenkategorie
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
Gefahrenhinweis
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
Sicherheitshinweis
- P260-Do not breathe dust/fume/gas/mist/vapours/spray.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P310-Immediately call a POISON CENTER/doctor/.
- P405-Store locked up.
- P501b-Dispose of contents/container in accordance with local/regional/national/international regulations.
Ergänzende Informationen
- MIXTURE LIST-Contains : 3,3'-dithiobis [6-nitrobenzoic] acid
For Research Use Only. Not for use in diagnostic procedures.