322123

5,5′-Dithio-bis-(2-nitrobenzoic Acid)

Sulfhydryl reagent used to characterize reactive SH groups.

• Synonyme(s) : 5,5′-Dithio-bis-(2-nitrobenzoic Acid), DTNB, Ellman’s Reagent
• Formule empirique (notation de Hill) : C₁₄H₈N₂O₈S₂
• Numéro CAS: 69-78-3
• Poids moléculaire : 396.35
• UNSPSC Code: 12352200
• NACRES: NA.21
• MDL number: MFCD00007140
• Assay: ≥98% (titration)
• Form: solid

Propriétés

• description: RTECS - DG9650000
• Quality Segment: 100
• assay: ≥98% (titration)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze, desiccated, protect from light
• technique(s): protein detection: suitable
• color: yellow
• solubility: ethanol: 8 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• SMILES string: S(Sc2cc(c(cc2)[N+](=O)[O-])C(=O)O)c1cc(c(cc1)[N+](=O)[O-])C(=O)O
• InChI: 1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)
• InChI key: KIUMMUBSPKGMOY-UHFFFAOYSA-N

Description

General description

Sulfhydryl reagent used to characterize reacting SH groups. Useful in photometric determination of thiols.

Biochem/physiol Actions

Cell permeable: no

Primary Target
Useful in photometric determination of thiols

Product does not compete with ATP.

Reversible: no

Packaging

Packaged under inert gas

Preparation Note

May require gentle heating for complete solubilization.

Other Notes

Ellman, G.L., et al. 1961. Biochem. Pharmacol.7, 88.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Informations sur la sécurité

• Classe de stockage: 11 - Combustible Solids
• Que se passe-t-il ?: WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable