Biological Activity
Potent and selective competitive leukotriene D4 and E4 receptor antagonist. Inhibits LTD4- but not histamine-induced guinea pig ileum and trachea contraction (pA2 = 8.7). Also inhibits LTD4-attenuation of human PMN chemotaxis. Orally active in vivo.
Compound Libraries
SR 2640 hydrochloride is also offered as part of the Tocriscreen Plus. Find out more about compound libraries available from Tocris.
Technical Data
| M. Wt | 406.87 |
| Formula | C23H18N2O3.HCl |
| Storage | Desiccate at RT |
| Purity | ≥99% (HPLC) |
| CAS Number | 146662-42-2 |
| PubChem ID | 45073453 |
| InChI Key | KDSYWFCTUKABKE-UHFFFAOYSA-N |
| Smiles | Cl.OC(=O)C1=CC=CC=C1NC1=CC(OCC2=CC=C3C=CC=CC3=N2)=CC=C1 |
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 | |||
| DMSO | 20.34 | 50 |
Preparing Stock Solutions
The following data is based on the product molecular weight 406.87. 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 | 2.46 mL | 12.29 mL | 24.58 mL |
| 5 mM | 0.49 mL | 2.46 mL | 4.92 mL |
| 10 mM | 0.25 mL | 1.23 mL | 2.46 mL |
| 50 mM | 0.05 mL | 0.25 mL | 0.49 mL |
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Product Datasheets
References
References are publications that support the products' biological activity.
Ahnfelt-Ronne et al (1988) A novel leukotriene D4/E4 antagonist, SR2640 (2-[3-(2-quinolylmethoxy)phenylamino]benzoic acid). Eur.J.Pharmacol. 155 117 PMID: 2854067
Bouchelouche et al (1990) LTD4 increases cytosolic free calcium and inositol phosphates in human neutrophils: inhibition by the novel LTD4 receptor antagonist, SR2640, and possible relation to modulation of chemotaxis. Agents Actions 29 299 PMID: 2160189
Thomsen and Ahnfelt-Ronne (1989) Inhibition by the LTD4 antagonist, SR2640, of effects of LTD4 on canine polymorphonuclear leukocyte functions. Biochem.Pharmacol. 38 2291 PMID: 2546563
Keywords: SR 2640 hydrochloride, supplier, Potent, selective, LTD4, /LTE4, receptors, antagonists, leukotrienes, eicosanoids, SR2640, hydrochloride, Leukotriene, and, Related, Receptors, Leukotriene, and, Related, Receptors, Tocris Bioscience
