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Description: PDE inhibitor (non-selective)
Alternative Names: KC-404
Chemical Name: 2-Methyl-1-[2-(1-methylethyl)pyrazolo[1,5-a]pyridin-3-yl]-1-propanone
Purity: ≥98% (HPLC)
Biological Activity for Ibudilast
Ibudilast is a phosphodiesterase inhibitor (IC50 values are 53, 35, 48, 12 and 10 μM for PDE Ia, II, III, IV and V respectively). Inhibits platelet aggregation and is an orally-active cerebral vasodilator, bronchodilator and antiallergic agent.
Compound Libraries for Ibudilast
Ibudilast is also offered as part of the Tocriscreen 2.0 Max. Find out more about compound libraries available from Tocris.
Technical Data for Ibudilast
| M. Wt | 230.31 |
| Formula | C14H18N2O |
| Storage | Store at RT |
| Purity | ≥98% (HPLC) |
| CAS Number | 50847-11-5 |
| PubChem ID | 3671 |
| InChI Key | ZJVFLBOZORBYFE-UHFFFAOYSA-N |
| Smiles | CC(C)C(=O)C1=C2C=CC=CN2N=C1C(C)C |
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 Ibudilast
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 23.03 | 100 | |
| ethanol | 23.03 | 100 |
Preparing Stock Solutions for Ibudilast
The following data is based on the product molecular weight 230.31. 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.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 4.34 mL | 21.71 mL | 43.42 mL |
| 5 mM | 0.87 mL | 4.34 mL | 8.68 mL |
| 10 mM | 0.43 mL | 2.17 mL | 4.34 mL |
| 50 mM | 0.09 mL | 0.43 mL | 0.87 mL |
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Product Datasheets for Ibudilast
References for Ibudilast
References are publications that support the biological activity of the product.
Kishi et al (2001) Ibudilast: a non-selective PDE inhibitor with multiple actions on blood cells and the vascular wall. Cardiovasc.Drug Rev. 19 215 PMID: 11607039
Nishino et al (1983) KC-404: a potential anti-allergic agent with antagonistic action against slow reacting substance of anaphylaxis. Jpn.J.Pharmacol. 33 267 PMID: 6193303
Souness et al (1994) Possible role of cyclic AMP phosphodiesterases in the actions of ibudilast on eosinophil thromboxane generation and airways smooth muscle tone. Br.J.Pharmacol. 111 1081 PMID: 8032594
If you know of a relevant reference for Ibudilast, please let us know.
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Keywords: Ibudilast, Ibudilast supplier, PDE, inhibitors, inhibits, non-selective, Phosphodiesterases, KC404, KC-404, 1694, Tocris Bioscience
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