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Submit ReviewSR 2640 hydrochloride
Description: Potent, selective LTD4 /LTE4 receptor antagonist
Chemical Name: 2-[[3-(2-Quinolinylmethoxy)phenyl]amino]benzoic acid hydrochloride
Purity: ≥99% (HPLC)
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.
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.
Tocris products are intended for laboratory research use only, unless stated otherwise.
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 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 |
|---|---|---|---|
| 0.5 mM | 4.92 mL | 24.58 mL | 49.16 mL |
| 2.5 mM | 0.98 mL | 4.92 mL | 9.83 mL |
| 5 mM | 0.49 mL | 2.46 mL | 4.92 mL |
| 25 mM | 0.1 mL | 0.49 mL | 0.98 mL |
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References
References are publications that support the biological activity of the product.
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
If you know of a relevant reference for SR 2640 hydrochloride, please let us know.
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Keywords: SR 2640 hydrochloride, SR 2640 hydrochloride supplier, Potent, selective, LTD4, /LTE4, receptors, antagonists, leukotrienes, eicosanoids, SR2640, hydrochloride, Leukotriene, and, Related, Receptors, 1804, Tocris Bioscience
1 Citation for SR 2640 hydrochloride
Citations are publications that use Tocris products. Selected citations for SR 2640 hydrochloride include:
Wright et al (2019) Pranlukast is a novel small molecule activator of the two-pore domain potassium channel TREK2. Biochem Biophys Res Commun 520 35 PMID: 31564414
Do you know of a great paper that uses SR 2640 hydrochloride from Tocris? Please let us know.
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