Biological Activity
Selective inhibitor of transforming growth factor-β type I receptor (ALK5), ALK4 and ALK7 (IC50 values are 47 and 129 nM for ALK5 and ALK4 respectively). Selectively inhibits signaling from TGF-β and activin; does not inhibit other ALK family members.
Technical Data
| M. Wt | 335.4 |
| Formula | C20H21N3O2 |
| Storage | Store at -20°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 694433-59-5 |
| PubChem ID | 9858940 |
| InChI Key | WGZOTBUYUFBEPZ-UHFFFAOYSA-N |
| Smiles | CC(C)(C)C1=NC(C2=CC(OCO4)=C4C=C2)=C(C3=NC(C)=CC=C3)N1 |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| 1eq. HCl | 33.54 | 100 | |
| DMSO | 33.54 | 100 | |
| ethanol | 8.38 | 25 |
Preparing Stock Solutions
The following data is based on the product molecular weight 335.4. Batch specific molecular weights may vary from batch to batch due to solvent 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 | 2.98 mL | 14.91 mL | 29.82 mL |
| 5 mM | 0.6 mL | 2.98 mL | 5.96 mL |
| 10 mM | 0.3 mL | 1.49 mL | 2.98 mL |
| 50 mM | 0.06 mL | 0.3 mL | 0.6 mL |
Molarity Calculator
Reconstitution Calculator
Dilution Calculator
Product Datasheets
References
References are publications that support the products' biological activity.
Byfield et al (2004) SB-505124 is a selective inhibitor of transforming growth factor-β type I receptors ALK4, ALK5, and ALK7. Mol.Pharmacol. 65 744 PMID: 14978253
Hu et al (2005) Reactive oxygen species production via NADPH oxidase mediates TGF-β-induced cytoskeletal alterations in endothelial cells. Am.J.Physiol.Renal Physiol. 289 F816 PMID: 16159901
Noma et al (2008) The essential role of fibroblasts in esophageal squamous cell carcinoma-induced angiogenesis. Gastroenterology 134 1981 PMID: 18439605
Keywords: SB 505124, supplier, SB505124, tgfβ, tgfbeta, tgfb, tgfbrI, tgfbetarI, tgfβrI, receptors, transforming, growth, factors, alk5, alk4, alk7, inhibitors, inhibits, TGF-beta, Receptors, BMP, and, Other, Activin, Receptors, TGF-beta, Receptors, Tocris Bioscience
