hh SR 2640 hydrochloride (CAS 146662-42-2): R&D Systems
Catalog Number: 1804
Chemical Name: 2-[[3-(2-Quinolinylmethoxy)phenyl]amino]benzoic acid hydrochloride
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
  • Solubility:
    Soluble to 50 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Desiccate at RT
  • CAS No:
    146662-42-2
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.
Background References
  1. A novel leukotriene D4/E4 antagonist, SR2640 (2-[3-(2-quinolylmethoxy)phenylamino]benzoic acid).
    Ahnfelt-Ronne et al.
    Eur.J.Pharmacol., 1988;155:117
  2. 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.
    Bouchelouche et al.
    Agents Actions, 1990;29:299
  3. Inhibition by the LTD4 antagonist, SR2640, of effects of LTD4 on canine polymorphonuclear leukocyte functions.
    Thomsen and Ahnfelt-Ronne
    Biochem.Pharmacol., 1989;38:2291

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