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Description: Macrophage migration inhibitory factor (MIF) inhibitor
Chemical Name: 4,5-Dihydro-3-(4-hydroxyphenyl)-5-isoxazoleacetic acid methyl ester
Purity: ≥98% (HPLC)
Citations (4)
Literature (1)

Biological Activity for ISO 1

ISO 1 is a macrophage migration inhibitory factor (MIF) inhibitor (IC50 = 7 μM); inhibits MIF tautomerase activity in vitro and in vivo. Protective against mouse models of streptozotocin-induced diabetes mellitus; blocks anti-inflammatory response following LPS exposure and increases survival. Inhibits airway remodeling in a mouse model of chronic asthma. Cell permeable; orally bioavailable.

Compound Libraries for ISO 1

ISO 1 is also offered as part of the Tocriscreen 2.0 Max and Tocriscreen Antiviral Library. Find out more about compound libraries available from Tocris.

Technical Data for ISO 1

M. Wt 235.24
Formula C12H13NO4
Storage Store at +4°C
Purity ≥98% (HPLC)
CAS Number 478336-92-4
PubChem ID 6098948
Smiles OC(C=C2)=CC=C2C1=NOC(CC(OC)=O)C1

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.

Solubility Data for ISO 1

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 23.52 100
ethanol 23.52 100

Preparing Stock Solutions for ISO 1

The following data is based on the product molecular weight 235.24. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 4.25 mL 21.25 mL 42.51 mL
5 mM 0.85 mL 4.25 mL 8.5 mL
10 mM 0.43 mL 2.13 mL 4.25 mL
50 mM 0.09 mL 0.43 mL 0.85 mL

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Product Datasheets for ISO 1

Certificate of Analysis / Product Datasheet
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References for ISO 1

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

Al-Abed et al (2005) ISO-1 binding to the tautomerase active site of MIF inhibits its pro-inflammatory activity and increases survival in severe sepsis. J.Biol.Chem. 280 36541 PMID: 16115897

Cvetkovic et al (2005) Critical role of macrophage migration inhibitory factor activity in experimental autoimmune diabetes. Endocrinology 146 2942 PMID: 15790730

Chen et al (2010) ISO-1, a macrophage migration inhibitory factor antagonist, inhibits airway remodeling in a murine model of chronic asthma. Mol.Med. 16 400 PMID: 20485865

Lubetsky et al (2002) The tautomerase active site of macrophage migration inhibitory factor is a potential target for discovery of novel anti-inflammatory agents. J.Biol.Chem. 277 24976 PMID: 11997397

If you know of a relevant reference for ISO 1, please let us know.

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Keywords: ISO 1, ISO 1 supplier, ISO1, macrophage, migration, inhibitory, factor, antagonists, inhibits, inhibitors, tautomerase, MIF, Cytokines, 4288, Tocris Bioscience

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Literature in this Area

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