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DTNB

CAT: 0013-GTR19215864-03Size: 5 gDry Ice: NoHazardous: No
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CAT#:0013-GTR19215864-03Size:5 g
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Description
DTNB (Ellman's Reagent) is a chromogenic compound used for the quantification of free thiol groups and low-molecular-weight thiols like glutathione. It is widely applied in both in vitro assays and in vivo research to study oxidative stress and redox biology in biological samples such as blood and cell lysates.
CAS Number
69-78-3
Product Name Alternative
DTNB, Ellman's Reagent, Inhibitor, inhibit
Field of Research
Neuroscience
Purity
97.11% (May vary between batches)
Solubility
DMSO:247.5 mg/mL (624.45 mM) ;10% DMSO+40% PEG300+5% Tween-80+45% Saline:2.5 mg/mL (6.31 mM)
Smiles
C (O) (=O) C1=C (N (=O) =O) C=CC (SSC2=CC (C (O) =O) =C (N (=O) =O) C=C2) =C1
Molecular Formula
C14H8N2O8S2
Molecular Weight
396.35
Storage Conditions
-20°C
Notes
For research use only.

Chemical Information

5,5'-Dithiobis(2-nitrobenzoic Acid)

Dithionitrobenzoic acid is an organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. It has a role as an indicator. It is a nitrobenzoic acid and an organic disulfide.

CAS Number69-78-3
PubChem CID6254
IUPAC Name5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid
Molecular FormulaC14H8N2O8S2
Molecular Weight396.4
XLogP2.7
Topological Polar Surface Area217
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count10
Rotatable Bond Count5
Heavy Atom Count26
Formal Charge0
Complexity528
SMILES
C1=CC(=C(C=C1SSC2=CC(=C(C=C2)[N+](=O)[O-])C(=O)O)C(=O)O)[N+](=O)[O-]
InChI
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)
InChIKey
KIUMMUBSPKGMOY-UHFFFAOYSA-N
Chemical Structure
2D Structure
2D structure of 5,5'-Dithiobis(2-nitrobenzoic Acid)
CAS: 69-78-3
CID: 6254
Formula: C14H8N2O8S2
MW: 396.4
Interactive 3D Structure
Loading 3D structure...
View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight396.4
XLogP32.7
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count10
Rotatable Bond Count5
Exact Mass395.97220756
Monoisotopic Mass395.97220756
Topological Polar Surface Area217 Ų
Heavy Atom Count26
Formal Charge0
Complexity528
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count1
Compound Is CanonicalizedYes

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