Catalog Number: 1448
Alternate Names: BD 40A
Chemical Name: (±)-(R,R)-N-[2-Hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl] formamide hemifumarate
Biological Activity
Potent, selective and long-acting β2-adrenoceptor agonist. Displays 330-fold selectivity for β2 over β1 receptors (pKd values are 8.12 and 5.58 respectively). Potently relaxes guinea pig trachea (pD2 = 9.29), and is longer-acting and 100-fold more potent than salbutamol.
Technical Data
  • M.Wt:
    402.45
  • Formula:
    C19H24N2O4.½C4H4O4
  • Solubility:
    Soluble to 50 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Store at RT
  • CAS No:
    43229-80-7
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. Formoterol: pharmacology, molecular basis of agonism, and mechanism of long duration of a highly potent and selective β2-adrenoceptor agonist bronchodilator.
    Anderson
    Life Sci., 1993;52:2145
  2. Effects of N-aralkyl substitution of β-agonists on α- and β-adrenoceptor subtypes: pharmacological studies and binding assays.
    Decker et al.
    J.Pharm.Pharmacol., 1982;34:107
  3. Relaxant effects and durations of action of formoterol and salmeterol on the isolated human bronchus.
    Naline et al.
    Eur.Respir.J., 1994;7:914

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