Catalog Number: 4213
Chemical Name: N-Benzoyl-4-nitroaniline ethyl ester
Biological Activity
Potent and selective CCR3 antagonist (IC50 = 39 nM). Displays 250-fold selectivity for CCR3 over other chemokine receptors, including CXCR1, CXCR2, CCR1 and CCR7 (IC50 >27 μM). Inhibits calcium mobilization induced by MCP-4, eotaxin-2 and eotaxin in RBL-2H3 cells transfected with CCR3 (IC50 values are 80, 90 and 210 nM respectively).
Technical Data
  • M.Wt:
    342.35
  • Formula:
    C18H18N2O5
  • Solubility:
    Soluble to 100 mM in DMSO and to 20 mM in ethanol
  • Purity:
    >99%
  • Storage:
    Store at RT
  • CAS No:
    58816-69-6
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. Quantitative structure-activity relationships of D- and L-N-actyl-alpha-aminoamide ligands binding to chymotrypsin. On the problem of combined treatment of stereoisomers.
    Yoshimoto and Hansch
    J.Org.Chem., 1976;41:2269
  2. Identification of a potent, selective non-peptide CC chemokine receptor-3 antagonist that inhibits eotaxin-, eotaxin-2-, and monocyte chemotactic protein-4-induced eosinophil migration.
    White et al.
    J.Biol.Chem., 2000;275:36626

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