Discontinued Product

Auranofin (Cat. No. 4600) has been withdrawn from sale for commercial reasons.
Description: Thioredoxin reductase inhibitor; induces MPT
Chemical Name: 1-Thio-β-D-glucopyranosatotriethylphosphine gold-2,3,4,6-tetraacetate
Citations (1)
Literature (2)

Biological Activity for Auranofin

Auranofin is an inhibitor of thioredoxin reductase (TrxR) (IC50 = 20 nM; Ki = 4 nM for the NADPH-reduced form of human cytosolic TrxR). Thought to induce the mitochondrial permeability transition via inhibition of mitochondrial TrxR. Also exhibits anti-inflammatory and immunosuppressive activities; inhibits 5-lipoxygenase at high concentrations and stimulates LTA hydrolase at low concentrations. Also inhibits SARS-CoV-2 infection in Huh7 cell line (IC50 = 1.4 μM)

Technical Data for Auranofin

M. Wt 678.48
Formula C20H34AuO9PS
Storage Store at RT
CAS Number 34031-32-8
PubChem ID 6918453
Smiles CCP(CC)(CC)=[Au]S[C@H]1[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

References for Auranofin

References are publications that support the biological activity of the product.

Kim et al (2007) Auranofin blocks interleukin-6 signalling by inhibiting phosphorylation of JAK1 and STAT3. Immunology 122 607 PMID: 17645497

Rigobello et al (2002) Induction of mitochondrial permeability transition by auranofin, a gold(I)-phosphine derivative. Br.J.Pharmacol. 136 1162 PMID: 12163349

Gromer et al (1998) Human placenta thioredoxin reductase. Isolation of the selenoenzyme, steady state kinetics, and inhibition by therapeutic gold compounds. J.Biol.Chem. 273 20096 PMID: 9685351

Betts et al (1990) Auranofin stimulates LTA hydrolase and inhibits 5-lipoxygenase/LTA synthase activity of isolated human neutrophils. Biochem.Pharmacol. 39 1233 PMID: 2157444

Rothan et al (2020) The FDA-approved gold drug auranofin inhibits novel coronavirus (SARS-COV-2) replication and attenuates inflammation in human cells. Virology 547 7 PMID: 32442105

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⚠ WARNING: This product can expose you to chemicals including Auranofin, which is known to the State of California to cause reproductive toxicity with developmental effects. For more information, go to

1 Citation for Auranofin

Citations are publications that use Tocris products. Selected citations for Auranofin include:

Tsai et al (2015) Zeta Inhibitory Peptide Disrupts Electrostatic Interactions That Maintain Atypical Protein Kinase C in Its Active Conformation on the Scaffold p62. J Biol Chem 290 21845 PMID: 26187466

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Literature in this Area

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